Q: Fact 1: Oxygen is essential for cellular respiration for all aerobic organisms. Fact 2: Arteries carry oxygen to tissues and organs. Given the two facts above, what are essential for cellular respiration?

Select from the following. (A). leaves (B). Energy (C). arteries (D). Energy. (E). branches (F). glucose (G). acetic acid (H). skull
The answer is:
(C).