Give three examples of the regulation of homeostasis in the human body.

1) regulation of water metabolism by the kidneys. Pituitary hormones increase the reverse absorption of water in the renal tubules;
2) regulation of physical activity. With increasing loads, adrenaline is released, the heart rate rises, breathing quickens, more oxygen enters the muscles, metabolic products (sweat) are removed, the balance of the internal environment is maintained;
3) thermoregulation. With increasing body temperature, heat transfer increases, with decreasing