Chapter 9 Quiz 1 (Review Purposes Only)

✓ the second great controlling system of the body.

✓ along with the nervous system, it coordinates and directs the activity of the body’s cells.

✓ system maintains homeostasis by releasing chemicals called hormones, and it controls prolonged or continuous processes such as growth and development, reproduction, and metabolism.

✓ regulates processes that go on for relatively long periods and, in some cases, continuously.

✓ lacks structural or anatomical continuity

The scientific study of hormones and endocrine organs.

Are chemical substances that are secreted by endocrine cells into the extracellular fluids and regulate the metabolic activity of other cells in the body.

Including proteins, peptides and amines.

Are made from cholesterol.

Include the sex hormones made by the gonads (ovaries and testes) and the hormones produced by the adrenal cortex.

Local hormones made from highly active lipids released from nearly all cell membranes.

Although the bloodborne hormones circulate to all the organs of the body, a given hormone affects only certain tissue cells or organs, referred to as its _____ or _____

The term _____ comes from a Greek word meaning “to arouse.”

Hormones “arouse” or bring about their effects on the body’s cells primarily by altering cellular activity—that is, by _____ or _____ the rate of a normal, or usual, metabolic process rather than by stimulating performance of a new one.

The action of your hormone is either to _____ or to _____.