63. Which of the following function is performed by the kidneys in the human body? A.Excretion B.Respiration C.Digestion D.Transportation
Answer: Option A Solution: Most people know that a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.
