Chapter 45—Chemical Signals In Animals

Chapter 45—Chemical Signals in Animals I. Regulatory Systems maintain homeostasis

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II. Modes of action ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

B. Hormones—act on more distant cells ,[object Object]

III. Vertebrate Endocrine System ,[object Object],[object Object],[object Object]

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4. Thyroid gland ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

e. negative feedback loop: ,[object Object],[object Object]

5. Parathyroid glands (4) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

6. Pancreas —produces insulin and glucagon which are “antagonistic” ,[object Object],[object Object],[object Object]

b. glucagon ,[object Object],[object Object]

7. Adrenal Glands ,[object Object]

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