Chapter 38

Describe three general functions of the endocrine system and provide an example of each.

Identify and provide an example of each of the three general classes of hormone.

Explain how hormones act specifically on only some cells or organs although they are transported by the bloodstream throughout the body.

Describe how hormones exert substantial and broad effects on their target cells although they are released in small amounts by the initial signaling gland.

Explain how peptide hormones affect the function of a target cell.

Explain the difference between the way in which the hypothalamus controls the anterior pituitary gland and the way it controls the posterior pituitary gland.

Explain the difference in action between a hormone, a paracrine signal, a neurotransmitter, and a pheromone.