Muscle Structure and Function Answers

regulates water, salt, and temperature.

help to form a protective barrier on the skin.

secrete mucus for protection.

Homeostasis is regulated by two systems; the nervous system and the endocrine system.

Hormones released by the endocrine system are secreted through ducts.

Steroid hormones always bind to receptors on the surface of a cell.

Hormones affect almost all cells and processes.

Peptide hormones travel to the nucleus of a cell.

The body uses feedback loops to regulate the amount of hormones.

Hormones tell the body when, where, and how to grow.

Positive feedback is when one hormone influences the level of another hormone to slow down or inhibit a process in the body.

Hormones released during labor are an example of a negative feedback loop.

Hormones affect development, behavior, and reproduction.