The Endocrine System

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Across
  1. 1. chemical element necessary to produce thyroid hormones
  2. 4. master gland
  3. 7. endocrine chemical messengers
  4. 8. produces a hormone important for the sleep-wake cycle
  5. 9. inhibits urine production, constricts blood vessels
  6. 12. stimulates milk production
  7. 14. main reproductive hormone in the male
  8. 15. type of stimuli sensitive to circulating blood levels of molecules
Down
  1. 2. where the body is uniformly small, is often due to growth hormone deficiency
  2. 3. body's inability to regulate blood glucose levels within normal range
  3. 5. gland that lies in the upper part of the thoracic cavity
  4. 6. chemical category of steroids and prostaglandins
  5. 10. released by the adrenals during times of stress
  6. 11. important gland needed for blood glucose regulation
  7. 13. increases uterine contractions