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21 Cards in this Set
- Front
- Back
Menstruation
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when the uterine lining leaves the body each month a girl ids not pregnant; a sign that a girl’s menstrual cycle has started
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Semen
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the mixture of sperm cells and fluids
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Erection
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when the penis fills with blood and gets harder
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Testosterone
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the male sex hormone; found in both genders but in greater quantities in boys
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Estrogen
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the female sex hormone; found in both genders but in greater quantities in girls
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Ovulation |
the release of an egg or ovum from the ovary |
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Egg
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female reproductive cell
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Puberty
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the time when you become physically able to reproduce
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Testicles
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produce sperm cells and sex hormones
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Hormones
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chemicals that cause changes in your body
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Ovaries
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produce sex hormones and produce, store, and release mature eggs
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Sperm
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male reproductive cell
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Wet dream
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ejaculation during sleep; a sign that a boy’s body is now making sperm
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Adolescence |
the time between childhood and adulthood |
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Menstrual cycle |
prepares a female's body for pregnancy |
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Uterus |
organ that holds the baby during pregnancy |
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Sperm |
male reproductive cell |
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Vagina |
Female organ for sexual intercourse; birth canal |
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Penis |
Male organ for sexual intercourse and urination |
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Scrotum |
Organ that holds the testicles and regulates their temperature |
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Mood swing |
Feeling overjoyed one minute then unhappy the next |