THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -The kidneys maintain homeostasis by controlling the amount of water, ions, and other substances in the blood. Kidneys also secrete hormones that have other homeostatic functions.

Detailed explanation-2: -The kidneys produce urine which is made up of waste products, excess mineral ions and excess water from the body. The main job of your kidneys is to regulate the amount of water in the body and balance the concentration of mineral ions in the blood.

Detailed explanation-3: -Water homeostasis is achieved by regulation of water intake and water loss by the kidneys. The former is achieved by sensations of thirst that motivate water acquisition, whereas the latter is regulated by the antidiuretic action of vasopressin.