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23 Cards in this Set
- Front
- Back
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Egg |
female sex cell |
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sperm |
male sex cell |
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Sexual Reproduction invloves |
the production of egg by the female and sperm by the male |
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zygote |
fertilized egg |
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chromosomes |
rod shaped structures |
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fertilization |
when 23 sperm chromosomes combine with 23 egg chromosomes |
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the structures of the male reproductive system |
testes, scrotum, and penis |
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testes |
are the organs of the male reproductive system in which sperm is produced |
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testosterone |
the hormone that controls the physical characteristics in mature men |
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scrotum |
external pouch of skin |
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semen |
mixture of sperm and fluids |
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penis |
semen exits the body through the penis |
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urethra |
a tube where the semen exits the penis |
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female reproductive system |
include vagina, ovaries, fallopian tubes, and uterus |
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ovaries |
produce eggs |
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estrogen |
hormone that triggers some adult characteristics also causes hips to widen and breasts to develop |
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fallopian tubes |
passageways for eggs as they travel from the ovaries to the uterus |
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uterus |
a hollow muscular organ where a fertilized egg sticks |
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vagina |
muscular passageway where a baby leaves the body and where sexual reproduction occurs |
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menstrual cycle |
monthly cycle of changes that occur in the female reproductive system. During this cycle, an egg develops into an ovary At the same time, the uterus prepares for an embryo. |
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ovulation |
process in which an egg is released |
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menstruation |
the extra blood and tissue of the thickened lining passed out of the body through the vaginal process -lasts 6 days -a new egg matures in the ovary |
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Girls begin menstruation |
between the ages of 10-14 |
