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Definition
The organ that holds the urine received from the kidneys |
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Definition
the stage of the life cycle between the ages of 11 and 21 |
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Definition
the female reproductive cell. It is also called the ovum. |
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Definition
the expulsion of fluid containing about 300 million sperm cells from the erect penis. |
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Definition
20 foot long, tightly coiled tubular sperm storage area on the back and upper surface of the testes in which sperm matures. |
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Definition
female hormone that produces secondary sexual characteristics and affects the menstrual cycle |
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