Term
| The miracle of every human life begins when the sperm and egg unite, which is known as: |
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Definition
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Term
| In prenatal development, cleavage is: |
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Definition
| a series of mitotic cell divisions beginning as the zygote moves down the oviduct. |
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Term
| The organ that delivers oxygen and nutrients to the embryo and carries carbon dioxide and other wastes away is called the |
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| What is not a change that occurs with aging? |
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Definition
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| What covers the surface of the embryo and forms the outer layer of skin and it's derivatives such as hair, nails, oil glands, and mammary glands? |
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| The organ that delivers oxygen and nutrients to the embryo and carries carbon dioxide and other wastes away is? |
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Term
| At the second stage of labor, it begins with... |
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Definition
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Term
| How many chromosomes do the mother and father each provide to the embryo? |
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Definition
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Term
| What percentage of energy is transferred from one trophic level to the next higher trophic level? |
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Definition
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Term
| An example of producer in the food chain would be? |
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Definition
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Term
| What is the most possible consequence of introducing exotic species? |
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Definition
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Term
| How much energy is lost by moving up one trophic level on a food web? |
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Term
| The sequence of changes in the kinds of species making up a community is called |
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Definition
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| Most humans are classified as |
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Definition
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Term
| Which is NOT a true statement about exotic species? |
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Definition
| They originated in the country that they are found. |
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Term
| What is a pioneer species? |
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Definition
| The first species that invades an area where no community has existed before |
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Definition
| A consumer that eats both plants and animals |
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Term
| n an ecosystem, most of the energy in the food digested is lost and about two-thirds of this energy is used by the animal for a specific essential process. What is this process? |
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Definition
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Term
| What is the main reason for the loss of biodiversity? |
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Definition
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Term
| Organs from Several Body Systems Eliminate Waste |
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Definition
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Term
| The Kidneys, Ureters, Bladder, and Urethra Make Up the Urinary System |
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Definition
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Term
| Human being can’t live without one of the kidneys |
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Definition
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Term
| The loss of a piece of a chromosome is called a ______. The gain of a piece of chromosome is called a ______. |
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Definition
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Term
| What term refers to our observable traits? |
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Definition
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Term
| Blood type is determined by the presence of certain polysaccharide (sugars) on the surface of Red Blood Cells. Type A blood has the A polysaccharide; type B has the B polysaccharide; type O has ______. |
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Definition
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Term
| Which of the following is NOT an example of Chromosome alterations? |
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Definition
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Term
| The removal and analyses of a small amount of tissue containing chorionic villi, the small, fingerlike projections of the part of the placenta called the chorion is called: |
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Definition
| Chorionic villi Sampling (CVS) |
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Term
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Definition
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Term
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Definition
| one gene effects one trait |
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Term
| In_______,a needle is inserted through the lower abdomen into the uterus, and a small amount of amniotic fluid is withdrawn. |
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Definition
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Term
| Which of the following letter combinations represents a homozygous dominant allele pair? |
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Definition
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Term
| Sex linked genes are located on... |
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Definition
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Term
| Most traits are controlled by... |
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Definition
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Term
| A chart showing the genetic connections between individuals in a family is called? |
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Definition
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Term
| hat is the final stage of Mitosis? |
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Definition
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Term
| How many infants are born with Down syndrome? |
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Definition
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Term
| How many chromosomes do somatic cells have? |
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Definition
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Term
| What percentage of infants with Down syndrome have heart defects? |
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Definition
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Term
| An individual with two copies of the same allele of a gene are said to be: |
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Definition
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Term
| What is the definition of the chromosome alteration called deletions? |
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Definition
| parts of chromosome is lost |
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Term
| A dominant allele produces what? |
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Definition
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Term
| Sex-linked genes are located on what chromosomes? |
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Definition
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Term
| What can be used to treat the common cold? |
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Definition
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Term
| Bronchitis is the inflammation of the: |
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Definition
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Term
| the __________ is an adjustable entryway that produces the voice. |
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Definition
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Term
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Definition
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Term
| What is the first phase of Mitosis? |
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Definition
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Term
| What is a period of growth and preparation of cell division? |
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Definition
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Term
| What is the division of Cytoplasm called? |
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Definition
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Term
| This keeps the chromosome number constant through generations and increases genetic variability in the population. |
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Definition
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Term
| What is the order of the 4 major stages of Mitosis? |
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Definition
Prophase, Metaphase, Anaphase, Telophase
(PMAT!) |
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Term
| The genetic mutation of an extra chromosome 21 is: |
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Definition
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Term
| What is the second stage of mitosis? |
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Definition
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Term
| Which of the following is matched correctly: |
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Definition
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Term
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Definition
| the division of the cytoplasm. |
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Term
| The type of nuclear division that results in identical body cells is called: |
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Definition
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Term
| What occurs during metaphase 1? |
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Definition
| Homologous Pairs of chromosomes line up at the midline of the cell. |
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Term
| At which stage in meiosis does cytokinesis occur and form two haploid daughter cells? |
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Definition
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Term
| Which of the following does not describe the process of Mitosis? |
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Definition
| It produces up to four haploid cells. |
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Term
| What is NOT a potential use for stem cells? |
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Definition
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Term
| What are the two major phases of the the cell cycle? |
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Definition
| Interphase and Cell Division |
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Term
| Stem cells from the umbilical cord are: |
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Definition
| Less likely to be rejected by recipient than bone marrow. |
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Term
| The principle that half of the gametes bear one allele, and half of the gametes bear the other is know as... |
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Definition
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Term
| Which of the following is caused by having an extra chromosome 21, resulting in 47 chromosomes instead of 46? |
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Definition
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Term
| All of the following phenotypes of humans are considered recessive genotypes except... |
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Definition
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Term
| Oxygen diffusion, or gas exchange, into the blood occurs in this structure |
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Definition
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Term
| The amount of air inhaled or exhaled during a normal breath is called the |
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Definition
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Term
| Between __ and __ percent of all cases of lung cancer are caused by smoking and are, therefore, preventable. |
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Definition
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Term
| What are developmental defects present at birth known as? |
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Definition
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Term
| In which stage of life does cell differentiation occur? |
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Definition
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Term
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Definition
| a ball of cells with a fluid-filled cavity |
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Term
| What three events characterize the pre-embryonic period? |
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Definition
| fertilization, cleavage, and implantation |
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Term
| What are the most important structures in the reproductive system in both males and females? |
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Definition
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Term
| What is important for sperm production as well as the development of male characteristics? |
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Definition
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Term
| What surrounds the upper portion of the urethra, just beneath the urinary bladder? |
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Definition
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Term
| What is the most common method of female sterilization? |
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Definition
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Term
| Which of the following helps keep the temperature within the testes fairly stable? |
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Definition
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Term
| Which of the following is not a stage of the human sexual response? |
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Definition
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Term
| Which of the following produces sperm and testosterone |
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Definition
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Term
| Which of the following contributes to sexual arousal? |
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Definition
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Term
| What hormone in the male reproductive system stimulates the anterior pituitary gland to produce LH (luteinizing hormone)? |
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Definition
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Term
| Which is NOT a structure found in the male reproductive system? |
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Definition
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Term
| Which of the following events occur during days 15-21 of the OVARIAN cycle? |
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Definition
| corpus luteum forms and secretes estrogen and progesterone |
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Term
| Which part of the sperm contains mitochondira that will provide energy for the sperm's trip to the egg? |
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Definition
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Term
| What are the reproductive structures that produce gametes and hormones called? |
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Definition
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Term
| What is the function of the testes? |
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Definition
| produce sperm and testosterone |
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Term
| If sperm delivery is appropriately timed with egg production, a sperm and egg may fuse in a process called: |
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Definition
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Term
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Definition
| The end of a females reproductive potential when ovulation and menstruation cease. |
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Term
| What is the function of clitoris? |
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Definition
| contributes to sexual arousal |
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Term
| What are the functions of the ovaries? |
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Definition
| to produce eggs and the hormones estrogen and progesterone |
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Term
| Which of the following is produced in testes? |
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Definition
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Term
| What is the function of the uterus? |
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Definition
| House and nourish the developing baby until birth |
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Term
| What supports the growth of the developing embryo? |
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Definition
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Term
| Where is testosterone produced? |
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Definition
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Term
| The degeneration of the corpus luteum results in falling levels of what two hormones? |
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Definition
| Estrogen and Progesterone |
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Term
| What produces eggs and the hormones estrogen and progesterone? |
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Definition
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Term
| Eventually ovulation and menstruation stop completely, at a stage in a woman's life. This stage is called: |
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Definition
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Term
| What hormone does the hypothalamus release? |
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Definition
| gonadotropin-releasing hormone |
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Term
| How many pairs of chromosomes do the cells in our body possess? |
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Definition
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Term
| These are the surfaces of the lungs used in gas exchange |
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Definition
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Term
| The abbreviation for influenze is: |
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Definition
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Term
| The pharynx is commonly called: |
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Definition
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Term
| Strep throat is most commonly a problem in which age range: |
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Definition
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