Question

A person’s rate of oxygen intake and carbon dioxide output are increased. Which of the following most likely happened?

a.The person went to sleep
b.The person ate some food
c.The person started running
d.The person sat down

Answer 1

C. The person started running

Answer 2

C. The person started running

Step-by-step explanation:

Your heart rate and breathing increases dramatically during exercise. Also, none of the other answer choices make sense.