Will give brainiest

When you exercise vigorously; a). you start to breathe more slowly b). your heart keeps a slow, steady rhythm c). it is more difficult to find your pulse d). you increase your pulse

the answer is c hope it helps

D) you increase your pulse or B)

Explanation:

for D YOU'RE EXERCISING or for B if you exercise more often your heart rate is slower \(*-*)/

just have more confidence in yourself.

nope

explanation:

men