Term
|
Definition
variation of a particular inherited character (Concept 10.1) |
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Term
|
Definition
study of heredity (Concept 10.1) |
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Term
|
Definition
process by which sperm from one flower's pollen fertilizes the eggs in a flower of a different plant (Concept 10.1) |
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Term
|
Definition
offspring of two different true-breeding varieties (Concept 10.2) |
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Term
|
Definition
mating of two organisms that differ in only one character (Concept 10.2) |
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Term
|
Definition
alternative form of a gene (Concept 10.2) |
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Term
|
Definition
having identical alleles for a gene (Concept 10.2) |
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Term
|
Definition
having different alleles for a gene (Concept 10.2) |
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Term
|
Definition
descriptive of an allele in a heterozygous individual that appears to be the only one affecting a trait (Concept 10.2) |
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Term
|
Definition
descriptive of an allele in a heterozygous individual that does not appear to affect a trait (Concept 10.2) |
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Term
|
Definition
diagram showing the probabilities of the possible outcomes of a genetic cross (Concept 10.2) |
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Term
|
Definition
observable traits of an organism (Concept 10.2) |
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Term
|
Definition
genetic makeup of an organism; an organism's combination of alleles (Concept 10.2) |
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Term
|
Definition
mating of an individual of unknown genotype but dominant phenotype with a homozygous recessive individual (Concept 10.2) |
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Term
|
Definition
mating of two organisms that differ in two characters (Concept 10.2) |
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Term
|
Definition
inheritance in which heterozygotes have a phenotype intermediate between the phenotypes of the two homozygotes (Concept 10.3) |
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Term
|
Definition
inheritance pattern in which a heterozygote expresses the distinct traits of both alleles (Concept 10.3) |
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Term
|
Definition
combined effect of two or more genes on a single character (Concept 10.3) |
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Term
Chromosome theory of inheritance |
|
Definition
generalization that genes are located on chromosomes and that the behavior of chromosomes during meiosis and fertilization accounts for inheritance patterns (Concept 10.4) |
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Term
|
Definition
specific location of a gene on a chromosome (Concept 10.4) |
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Term
|
Definition
tendency for alleles of genes on the same chromosome to be inherited together (Concept 10.4) |
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Term
|
Definition
gene located on a sex chromosome (Concept 10.5) |
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Term
|
Definition
complete set of an organism's genetic material (Concept 12.1) |
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Term
|
Definition
small protein that DNA wraps around (Concept 12.1) |
|
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Term
|
Definition
condition in which an individual has three number 21 chromosomes, resulting in Down syndrome (Concept 12.2) |
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Term
|
Definition
general set of symptoms in people with trisomy 21 (Concept 12.2) |
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Term
|
Definition
event during meiosis in which homologous chromosomes or sister chromatids fail to separate (Concept 12.2) |
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Term
|
Definition
change to a chromosome in which part of the chromosome is repeated (Concept 12.2) |
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Term
|
Definition
change to a chromosome in which a fragment of the chromosome is removed (Concept 12.2) |
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Term
|
Definition
change to a chromosome in which a fragment of the original chromosome is reversed (Concept 12.2) |
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Term
|
Definition
change to a chromosome in which a fragment of one chromosome attaches to a nonhomologous chromosome (Concept 12.2) |
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Term
|
Definition
genetic element that moves from one location to another in a genome (Concept 12.2) |
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Term
|
Definition
family tree that records and traces the occurrence of a trait in a family (Concept 12.3) |
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Term
|
Definition
individual who has one copy of the allele for a recessive disorder and does not exhibit symptoms (Concept 12.3) |
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Term
|
Definition
person trained to collect, analyze, and explain data about human inheritance patterns (Concept 12.3) |
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Term
|
Definition
protein that initiates cell division (Concept 12.4) |
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Term
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Definition
gene that codes for a protein that stops cell division in particular situations (Concept 12.4) |
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Term
|
Definition
cancer-causing gene (Concept 12.4) |
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Term
|
Definition
study of an organism's structure (Concept 27.1) |
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Term
|
Definition
study of functions or processes in an organism (Concept 27.1) |
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Term
|
Definition
cooperating unit of many similar cells that perform a specific function (Concept 27.1) |
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Term
|
Definition
unit consisting of several tissues that together perform a specific task (Concept 27.1) |
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Term
|
Definition
unit of multiple organs that together perform a vital body function (Concept 27.1) |
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Term
|
Definition
sheets of closely packed cells that cover the surface of the body and line the internal organs (Concept 27.2) |
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Term
|
Definition
groups of cells that hold together and support other tissues and cushion, insulate, and connect organs (Concept 27.2) |
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Term
|
Definition
tissue that transmits signals in the body in response to changes in the environment (Concept 27.2) |
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Term
|
Definition
nerve cell; basic unit of nervous tissue (Concept 27.2) |
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Term
|
Definition
voluntary muscle attached to the skeleton that allows movement of the body (Concept 27.2) |
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Term
|
Definition
involuntary muscle that causes the heart to pump blood (Concept 27.2) |
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Term
|
Definition
involuntary muscle found in most organs of the body (Concept 27.2) |
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Term
|
Definition
internal stability or "steady state" maintained by the body (Concepts 1.3, 27.3) |
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Term
|
Definition
signal molecule released into the bloodstream that triggers particular responses (Concepts 27.3, 32.1) |
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Term
|
Definition
aqueous solution that fills the gaps between cells in a tissue (Concept 27.3) |
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Term
|
Definition
outer covering that physically separates the body from the external environment (Concept 27.3) |
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Term
|
Definition
outermost layer of skin (Concept 27.3) |
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Term
|
Definition
pigmented protein that gives skin its color (Concept 27.3) |
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Term
|
Definition
layer of skin beneath and supporting the epidermis, made up mostly of fibrous connective tissue that gives the skin its strength and elasticity (Concept 27.3) |
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Term
|
Definition
tissue layer beneath the dermis; contains adipose tissue, a connective tissue that includes fat-storing cells and blood vessels (Concept 27.3) |
|
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Term
|
Definition
segment of the backbone; encloses and protects the nerve cord (Concepts 25.1, 27.4) |
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Term
|
Definition
type of connective tissue softer than bone (Concept 27.4) |
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Term
|
Definition
specialized tissue found in bone; yellow bone marrow consists of stored fat that serves as an energy reserve; red bone marrow makes cells that develop into blood cells (Concept 27.4) |
|
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Term
|
Definition
area where one bone meets another (Concept 27.4) |
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Term
|
Definition
strong fibrous connective tissue that holds together the bones in movable joints (Concept 27.4) |
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Term
|
Definition
group of skeletal disorders characterized by inflamed joints (Concept 27.4) |
|
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Term
|
Definition
disorder in which bones become thinner, more porous, and more easily broken (Concept 27.4) |
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Term
|
Definition
dense connective tissue that attaches a muscle to a bone (Concept 27.5) |
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Term
|
Definition
single, long cylindrical muscle cell containing many nuclei (Concept 27.5) |
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Term
|
Definition
unit of muscle fiber made up of smaller units that contract (sarcomeres) (Concept 27.5) |
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Term
|
Definition
unit of contraction in a muscle fiber (Concept 27.5) |
|
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Term
|
Definition
twisted, thin filament in a muscle fiber (Concept 27.5) |
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Term
|
Definition
thick filament in a muscle fiber; has bump-like projections (Concept 27.5) |
|
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Term
Central nervous system(CNS) |
|
Definition
the body's primary information processing system; includes the brain and spinal cord (Concept 28.1) |
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Term
Peripheral nervous system(PNS) |
|
Definition
network of nerves carrying signals into and out of the central nervous system (Concept 28.1) |
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Term
|
Definition
bundle or bundles of neuron fibers surrounded by connective tissue (Concept 28.1) |
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Term
|
Definition
environmental change that triggers a response (Concept 28.1) |
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Term
|
Definition
nerve cell that carries information from the environment to the central nervous system (Concept 28.1) |
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Term
|
Definition
specialized cell that transmits signals to sensory neurons (Concept 28.1) |
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Term
|
Definition
nerve cell located entirely in the central nervous system that integrates sensory information and sends motor commands (Concept 28.1) |
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Term
|
Definition
nerve cell that carries signals from the central nervous system to muscle or gland cells (Concept 28.1) |
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Term
|
Definition
rapid, automatic response to a stimulus (Concept 28.1) |
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Term
|
Definition
neuron fiber that receives signals and carries them toward the cell body (Concept 28.2) |
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Term
|
Definition
neuron fiber that carries electric impulses away from the cell body and toward other cells (Concept 28.2) |
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Term
|
Definition
thick coat of material that surrounds and insulates the axon of some neurons (Concept 28.2) |
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Term
|
Definition
uninsulated spaces between the "beads" of a myelin sheath where an action potential can be transmitted (Concept 28.2) |
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Term
|
Definition
voltage across the plasma membrane of a resting neuron (Concept 28.2) |
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Term
|
Definition
voltage change that occurs when the difference in charge across a membrane decreases (Concept 28.2) |
|
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Term
|
Definition
minimum change in a membrane's voltage that must occur to generate an action potential (Concept 28.2) |
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Term
|
Definition
change in voltage across the plasma membrane of a neuron resulting in a nerve signal (Concept 28.2) |
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Term
|
Definition
junction between two neurons or a neuron and another cell where electrical or chemical signals are relayed (Concept 28.2) |
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Term
|
Definition
tiny space separating a knob of a transmitting neuron from a receiving neuron or other cell (Concept 28.2) |
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Term
|
Definition
chemical messenger that carries information from one neuron to another or to another cell (Concept 28.2) |
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Term
|
Definition
subdivision of the motor division of the peripheral nervous system that controls the voluntary movement of skeletal muscles (Concept 28.3) |
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Term
|
Definition
subdivision of the motor division of the peripheral nervous system that regulates the internal environment (Concept 28.3) |
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Term
|
Definition
division of the autonomic nervous system that generally prepares the body for energy-consuming activities (Concept 28.3) |
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Term
|
Definition
division of the autonomic nervous system that conserves energy (Concept 28.3) |
|
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Term
|
Definition
largest and most complex part of the brain, made up of the left and right hemispheres (Concept 28.4) |
|
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Term
|
Definition
band of nerve fibers that support communication between the two cerebral hemispheres (Concept 28.4) |
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Term
|
Definition
the outer region of the cerebrum containing integration centers for higher brain functions (Concept 28.4) |
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Term
|
Definition
part of the brain located below the cerebrum and above the spinal cord; planning center that coordinates body movement (Concept 28.4) |
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Term
|
Definition
lower section of the brain including the medulla oblongata, pons, and midbrain that filters information going to and from the brain (Concept 28.4) |
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Term
|
Definition
brain region that sorts and exerts some control over information going to and from the cerebral cortex (Concept 28.4) |
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Term
|
Definition
region of the brain that is the "master control center" of the endocrine system; functions in maintaining homeostasis by regulating temperature, blood pressure, and other conditions (Concepts 28.4, 32.4) |
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Term
|
Definition
system of regions of the brain that interact with the cerebral cortex in emotion and memory (Concept 28.4) |
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Term
|
Definition
awareness of sensory stimuli (Concept 28.5) |
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Term
|
Definition
meaningful interpretation of sensory data by the central nervous system (Concept 28.5) |
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Term
|
Definition
transparent area at the front of the eye through which light enters (Concept 28.5) |
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Term
|
Definition
colored part of the eye; controls the amount of light that enters the eye by regulating the size of the pupil (Concept 28.5) |
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Term
|
Definition
opening in the iris that admits light into the eye (Concept 28.5) |
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Term
|
Definition
inner surface of the eye that is lined with millions of photoreceptor cells (Concept 28.5) |
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Term
|
Definition
photoreceptor cell in the retina that is stimulated in bright light, enabling color vision (Concept 28.5) |
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Term
|
Definition
photoreceptor in the retina that enables vision in dim light (Concept 28.5) |
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Term
|
Definition
part of the outer ear that channels sounds from the outside to the eardrum (Concept 28.5) |
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Term
|
Definition
coiled tube in the inner ear containing hairlike projections that function in hearing (Concept 28.5) |
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Term
|
Definition
resistance to a drug's effects such that more of the drug is needed to produce the same effect (Concept 28.6) |
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Term
|
Definition
uncontrollable dependence on a drug (Concept 28.6) |
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Term
|
Definition
psychological and/or physical symptoms experienced when a person stops taking a drug to which he or she is addicted (Concept 28.6) |
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Term
|
Definition
drug, such as caffeine, nicotine, and cocaine, that generally increases activity in the central nervous system (Concept 28.6) |
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Term
|
Definition
drug such as alcohol or tranquilizers that, in general, slows central nervous system activity (Concept 28.6) |
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Term
|
Definition
drug made from dried pieces of the hemp plant (Concept 28.6) |
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Term
|
Definition
narcotic, such as morphine or heroin, that is derived from opium poppies (Concept 28.6) |
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Term
|
Definition
drug that causes a person to see, hear, and perceive things that do not exist (Concept 28.6) |
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Term
|
Definition
synthetic drug that causes stimulant-like and hallucinogenic-like effects in the user (Concept 28.6) |
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Term
|
Definition
substance, such as certain aerosols, whose vapors produce mind-altering effects (Concept 28.6) |
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Term
|
Definition
the process of obtaining raw materials from food (Concept 29.1) |
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Term
|
Definition
the act of eating food or drinking; the first stage of food processing (Concept 29.1) |
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Term
|
Definition
mechanical and chemical breakdown of food into molecules small enough for absorption; the second stage of food processing (Concept 29.1) |
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Term
|
Definition
uptake of small nutrient molecules; the third stage of food processing (Concept 29.1) |
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Term
|
Definition
passage of undigested material from the digestive tract; the fourth stage of food processing (Concept 29.1) |
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Term
|
Definition
digestive tube that extends from the mouth to the anus (Concept 29.2) |
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Term
|
Definition
liquid secreted into the mouth that contains mucus and digestive enzymes that start chemical digestion (Concept 29.2) |
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Term
|
Definition
chewed clump of food that leaves the mouth and travels through the alimentary canal (Concept 29.2) |
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Term
|
Definition
the junction in the throat of the alimentary canal and the trachea (Concepts 29.2, 30.5) |
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Term
|
Definition
muscle-encased tube of the alimentary canal that transports food from the pharynx to the stomach (Concept 29.2) |
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Term
|
Definition
series of smooth muscle contractions that push food through the alimentary canal (Concept 29.2) |
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Term
|
Definition
elastic, muscular sac where some chemical and some mechanical digestion take place (Concept 29.2) |
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Term
|
Definition
liquid mixture of food and stomach fluids released from the stomach into the small intestine (Concept 29.2) |
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Term
|
Definition
long, narrow tube where digestion is completed and most absorption occurs (Concept 29.2) |
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Term
|
Definition
largest organ in the body; performs many functions such as producing bile, storing glucose as glycogen, and transforming ammonia to urea (Concept 29.2) |
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Term
|
Definition
organ that stores bile from the liver and releases it into the small intestine (Concept 29.2) |
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Term
|
Definition
gland that makes digestive enzymes and secretes them into the small intestine; makes the hormones insulin and glucagon and secretes them into the blood (Concepts 29.2, 32.4) |
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Term
|
Definition
fingerlike projection of the inner surface of the small intestine that functions in absorbing nutrients (Concept 29.2) |
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Term
|
Definition
portion of the alimentary canal from which water is reabsorbed into the body (Concept 29.2) |
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Term
|
Definition
undigested food material and other waste products that exit the body through the anus (Concept 29.2) |
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Term
|
Definition
raw material that must be ingested because cells cannot make it from other molecules (Concept 29.3) |
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Term
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Definition
condition caused by a diet lacking one or more essential nutrients (Concept 29.4) |
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Term
|
Definition
condition caused by a diet deficient in Calories (Concept 29.4) |
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Term
|
Definition
condition of being significantly overweight (Concept 29.4) |
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Term
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Definition
eating disorder brought about by an extreme pursuit of thinness characterized by self-starvation and excessive weight loss (Concept 29.4) |
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Term
|
Definition
eating disorder characterized by bingeing and purging (Concept 29.4) |
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Term
|
Definition
fluid connective tissue of the circulatory system; consists of blood cells and plasma (Concept 30.1) |
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Term
|
Definition
multi-chambered, muscular organ that pumps blood throughout the body (Concept 30.1) |
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Term
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Definition
microscopic blood vessel that carries blood between an artery and a vein, allowing the exchange of substances between the blood and interstitial fluid (Concept 30.1) |
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Term
|
Definition
vessel that carries blood away from the heart to other parts of the body (Concept 30.1) |
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Term
|
Definition
vessel that returns blood to the heart (Concept 30.1) |
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Term
|
Definition
fluid similar to interstitial fluid that circulates in the lymphatic system (Concept 30.1) |
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Term
|
Definition
circuit of blood flow that carries blood between the heart and lungs (Concept 30.2) |
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Term
|
Definition
circuit of blood flow that carries blood between the heart and the rest of the body (Concept 30.2) |
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Term
|
Definition
artery that carries blood directly from the heart to the rest of the body (Concept 30.2) |
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Term
|
Definition
heart chamber that receives blood returning to the heart from other parts of the body (Concept 30.2) |
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Term
|
Definition
heart chamber that pumps blood out of the heart (Concept 30.2) |
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Term
|
Definition
flap of tissue in the heart that prevents blood from flowing in the wrong direction (Concept 30.2) |
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Term
|
Definition
specific region of heart that sets the rate at which the heart contracts (Concept 30.2) |
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Term
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Definition
(atrioventricular node) region of the heart between the right atrium and right ventricle from which electrical impulses spread to the ventricles during a heartbeat (Concept 30.2) |
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Term
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Definition
first number of a blood pressure reading; measures the pressure on artery walls when heart ventricles contract (Concept 30.2) |
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Term
|
Definition
second number of a blood pressure reading; measurement of the pressure on artery walls when the heart is relaxed (Concept 30.2) |
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Term
|
Definition
liquid portion of blood made up of water, dissolved salts, proteins, and other substances (Concept 30.3) |
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Term
|
Definition
blood cell containing hemoglobin, which transports oxygen; also called an erythrocyte (Concept 30.3) |
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Term
|
Definition
iron-containing protein in red blood cells that carries oxygen for delivery to cells (Concept 30.3) |
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Term
|
Definition
blood cell that functions in defending the body against infections and cancer cells; also called a leukocyte (Concept 30.3) |
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Term
|
Definition
fragment of a blood cell originating in the bone marrow that is involved in blood clotting (Concept 30.3) |
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Term
|
Definition
deposits of cholesterol, calcium, and fat that build up on artery walls and can lead to cardiovascular disease (Concept 30.4) |
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Term
|
Definition
illness of the heart and/or blood vessels (Concept 30.4) |
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Term
|
Definition
narrowing of the arteries that results from a buildup of plaque (Concept 30.4) |
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Term
|
Definition
condition of having a blood pressure of 140/90 or higher for an extended period; also called high blood pressure (Concept 30.4)
condition of having a blood pressure of 140/90 or higher for an extended period; also called high blood pressure (Concept 30.4) |
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Term
|
Definition
damage to brain tissue resulting from a clot blocking blood flow to the brain (Concept 30.4) |
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Term
|
Definition
the junction in the throat of the alimentary canal and the trachea (Concepts 29.2, 30.5) |
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Term
|
Definition
flap of tissue that covers the trachea during swallowing, preventing food from entering the lungs (Concept 30.5) |
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Term
|
Definition
voicebox; contains the vocal cords (Concept 30.5) |
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Term
|
Definition
in some arthropods, chitin-lined air tube that forms part of the respiratory system (Concept 24.1); in humans, tube between the larynx and bronchi through which air travels to the lungs; also called the windpipe (Concept 30.5) |
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Term
|
Definition
one of two tubes connecting the trachea to each lung (Concept 30.5) |
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Term
|
Definition
organ consisting of sponge-like tissue that exchanges oxygen and carbon dioxide with the blood (Concept 30.5) |
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Term
|
Definition
thin tube that branches from a bronchus within a lung (Concept 30.5) |
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Term
|
Definition
one of millions of tiny sacs within the lungs where gas exchange occurs (Concept 30.5) |
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Term
|
Definition
sheet of muscle that forms the bottom wall of the chest cavity; contracts during inhaling and relaxes during exhaling (Concept 30.5) |
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Term
|
Definition
respiratory disease in which alveoli lose their elasticity, leading to difficulty breathing (Concept 30.6) |
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Term
|
Definition
a disease-causing organism or virus (Concepts 16.4, 31.1) |
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Term
|
Definition
disease caused by a pathogen (Concept 31.1) |
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Term
|
Definition
physical or chemical barrier that prevents pathogens from entering the body (Concept 31.2) |
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Term
|
Definition
nonspecific defense against infection, characterized by redness, heat, swelling, and pain (Concept 31.2) |
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Term
|
Definition
chemical alarm signal released by mast cells that causes blood vessels to dilate during an inflammatory response (Concept 31.2) |
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Term
|
Definition
protein produced by cells in response to being infected by a virus; helps other cells resist the virus (Concept 31.2) |
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