The Kidneys

The Brain is the coordination centre (CNS) for controlling the water contrent of blood.

ADH is anti-diuretic hormone, more of it makes the kindney tubles more permiable so more water can be reabsorbed.

Water content TOO HIGH:

brain detects the change and the coordination centre in the brain recives the information and coordinates a response.

The pituitary gland in the brain releases less ADH, so less…