8th Grade-Chapter 7 Sec. 1 The Endocrine System
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Created by:
allsaintsscience on May 8, 2011
Subjects:
8th grade science-human biology
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9 terms
Terms | Definitions |
|---|---|
 endocrine gland | produce and release chemical products directly into the bloodstream |
| endocrine system | Produces chemicals that control many of the body's daily activities. Regulates long-term changes like growth and development |
| hormones | A chemical product of the endocrine gland. Slow, speed up, turn on/off different organs/tissues. Chemical messengers |
| target cells | Cells that recognize the hormone's chemical structure |
| What makes up endocrine glands? | hypothalamus, pituitary, thyroid, parathyroid, adrenal, thymus, pancreas, ovaries/testes |
| hypothalamus | Tiny part of the brain that links the nervous and endocrine system. It sends nerve messages controlling sleep, hunger, and basic body processes |
| pituitary gland | Pea-sized gland that regulates other endocrine glands. It also regulates growth, blood pressure and water balance |
| negative feedback | When the body does not need any more of a particular hormone it sends signals to stop the release of the hormone, |
| Why is negative feedback used? | It helps maintain homeostasis in the body |
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