Give the definition of homeostasis. give examples of the regulation of body functions by the endocrine system.

1. Homeostasis is a universal property of living organisms to actively maintain the stability of the work of all body systems in response to influences that violate this stability, and to maintain the dynamic constancy of the internal environment, as well as the stability of the basic physiological functions of the body.
2. The thyroid gland secretes iodine-containing hormones, which increase the intensity of energy metabolism and growth of the body, stimulate reflexes. It also secretes parathyroid hormone, which regulates the concentration of calcium and phosphorus in the blood.