Question

which of the following statements regarding respiration is false?
a oxygen is needed for the body cells metabolism.
b carbon dioxide moves from the blood into the cells.
c oxygen moves from the alveoli into the bloodstream.
d carbon dioxide is the by - product of metabolism.

Explanation:

In respiration, oxygen moves from the alveoli into the bloodstream and is needed for cell metabolism, and carbon - dioxide is a by - product of metabolism. Carbon dioxide moves from the cells into the blood, not from the blood into the cells.

Answer:

B. Carbon dioxide moves from the blood into the cells