試題詳解

42 Why did the author mention such things as “poop, pee, sweat, saliva, and any number of bodily fluids”?
(A) To illustrate how water goes out of human body.
(B) To explain how water is consumed by human body.
(C) To demonstrate what water does to help humans exercise.
(D) To indicate what bodily organs are related to the intake of water.