16. The Endocrine System

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

e. Excess secretion of thyroid hormones produces weight gain, cold intolerance, and slow heart rate.

The hormone that directly stimulates the hunger center is:

a. ghrelin.

b. cholecystokinin.

c. nsulin.

d. leptin.