Water Balance in Animals Ch 10 p325-330. Key Questions How do humans maintain water levels in the blood? – What structures (organs and glands), hormones.
Excretion: Disposal of Nitrogenous Wastes ammonia is too toxic to be stored land animals must dispose of Nitrogen in different form: Urea or Uric Acid.
By; Aarynn M, Lauren Br, and Becky D THE URINARY SYSTEM.
The Urinary system
