The mouth, small intestine, and kidneys have functions that involve the
a. digestion of food, synthesis of vitamins, and filtering of the blood.
b. intake, digestion, absorption, and elimination of food and its wastes.
c. secretion of bile, digestion of food, and reabsorption of water.
d. all of the above
biology - Lily, Tuesday, November 30, 2010 at 10:00am