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13 Cards in this Set
- Front
- Back
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Characteristics of reproducing asexually |
1 parent Offspring is a clone of the parent Mitosis is used |
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Characteristics of reproducing sexually |
2 parents Genetic Variation Meiosis is used |
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Endocrine system |
Makes hormones that control daily activities like long term development. |
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Negative Feedback |
Pituitary gland releases hormone, the target cell is in a gland, the gland produces hormones, once there is enough the pituitary gland cuts off the message. |
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Primary Sex Characteristic |
Male or Female |
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Hormones |
Chemicals produced in one part of the body that affect another part. |
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Pituitary gland |
Hormone:Gonadotropic Gender: Both male and female Location: Brain Function: controls ovaries and testes |
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Ovaries |
Hormone: Estrogen Location:Lower abdomen Gender: Female Function: controls menstruation |
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Testes |
Hormone: Testosterone Location: Scrotal sac Gender: male Function: controls sperm production |
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Boys secondary sex characteristics |
Puberty starts from ages 12-16 Growth speeds up, voice becomes lower and deeper, hair appears on face, underarms, legs, chest, and sex organs, skin and hair may become oily, acne and perspiration may become a problem, production of sperm and ability to ejaculate, different parts of the body may grow at different rates, muscle coordination may become a problem. |
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Girls secondary sex characteristics |
Puberty starts anywhere between 9-16 growth rate speeds up, breasts develop, hips and buttocks get larger and rounder, hair appears on underarms, legs and sex organs, skin and hair may become oily, acne and perspiration may become a problem, menstrual cycle begins, different parts of the body may grow at different rates, muscle coordination may be a problem. |
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Adolescence |
The period of time between childhood and adulthood. |
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Puberty |
the time that secondary sex characteristics debvelop |
