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Chapter 21
Unifying concpets of animals structures and functions
39
Biology
Undergraduate 2
11/15/2011

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Term
Anatomy
Definition
Is the study of the stucture,or form, of an organism and its part
Term
Phiysiology
Definition
Is the study of the function of an organism's structal equipment
Term
Tissue
Definition
is an intergrated group of similar cells that preforms a specific function
Term
The Four Types of Tissue
Definition
Epithelial,Connective,Muscular,Nervous
Term
Epithelial Tissue
Definition
The tissue that covers the surface of the body and lines organs and cavities within the body
Term
Connective Tissue
Definition
Tightly packed cells tha have a sparse population of cells catterd thoughout an extracellular matrix
Term
Long Connective Tissue
Definition
Binds epithelia to underlying tissues and holds organs in place
Term
Adipose Tissue
Definition
Stores fat in closely packed cells in a sparse matrix of fibers
Term
Blood
Definition
Is a connective tissue consiting of red and white blood cells suspended in a liquid matrix called plasma
Term
Fiborous Connective Tissue
Definition
Has a dense matrix of collagen
Term
Cartlige
Definition
Stong but flexiable boneless skeleton
Term
Bone
Definition
is a rigid connective tissue with a matric of collagen fibers hardened with deposits of calcium salts
Term
Muscle Tissue
Definition
Consist of bundles of long thin cylinderical cells called muscle fibers
Term
Skeletal Muscle
Definition
Muscle attached to bones by tendons and is responsible for our voluntary movements
Term
Cardiac Muscle
Definition
Is found only in the heart tissues and contracts the heart to produce a heartbeat
Term
Smooth Muscle
Definition
Named for its lack of striations, found in the walls of organs such as the intestines and blood vessels
Term
Nervous Tissue
Definition
Makes communication between your body and brain occur
Term
Neuron
Definition
The basic unit of nervous tissue
Term
Organ
Definition
Constist of two or more tissues packaged into one working unit that preforms a specific function
Term
Organ System
Definition
Teams of organs that work together to preform bital body functions
Term
Open System
Definition
Continous exchange of chimecal and energy with its surroundings
Term
Interstrial Fluid
Definition
Fills the spaces between cells and exchanges nutrients ad wastes with micorscopic blood vessles
Term
Homeostasis
Definition
Dynamic Equalibrium
Term
Negative Feedback
Definition
form of regulation in which the results of a process inhibits the same proscee
Term
Postive Feedback
Definition
Results from a process that intensify's the same process
Term
Thermoregulation
Definition
Maintence of your internal body temperature
Term
Endotherms
Definition
Get their body heat from thier metabolism
Term
Ectotherms
Definition
Obtain thier body heat from abosrbing it from thier surroundings
Term
Fever
Definition
An abnormally high internal temperature
Term
Osomoregulation
Definition
Is the control of the gain or loss of water and dissolved solutes
Term
Osomoconformers
Definition
thier intenal and external enviorments have similar solute concentrates
Term
Osomoregulators
Definition
They most actively regulate water loss and gain
Term
Tubules
Definition
Thin tubes
Term
Filtrate
Definition
Contains valuable substances that need to be reclaimed and other substances that need to be disposed of
Term
Nephron
Definition
Functional units of the kindey
Term
Ureter
Definition
How the urine leaves the body
Term
Urinary Bladder
Definition
where the urine is stored
Term
Uretha
Definition
A tube that empties near the vagina in females and the penis in males
Term
Selectively Permable Membrane
Definition
A membrane tha only lets certain things in
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