Question

which of the following statements regarding respiration is not true? carbon dioxide is the byproduct of metabolism. oxygen is needed for the body cells metabolism. oxygen moves from the alveoli into the bloodstream. carbon dioxide moves from the blood into the cells.

Explanation:

During respiration, oxygen moves from the alveoli into the bloodstream and carbon - dioxide moves from the body cells (where it is a by - product of metabolism) into the bloodstream and then from the blood into the alveoli to be exhaled. Oxygen is needed for cellular respiration in body cells. The incorrect statement is that carbon dioxide moves from the blood into the cells.

Answer:

Carbon dioxide moves from the blood into the cells.