When exercising, you should
a. work through any pain that you experience.
b. plan to take in extra water.
c. plan to take in extra protein.
pd. avoid wasting time with a warm-up.

B. Hydration when exercising is important because you sweat and a lot and need to give yourself fluids.

Explanation:

A is wrong because you need to protect yourself from not getting hurt when exercising.

C. depends on the person

D is wrong because warming up helps pump your blood and get your heart beating, which helps you transition into exercise.

B

Explanation:

A is not correct because any pain you experience should not be put aside. C is not the most logical answer because during the exercise, it is wise to keep yourself hydrated. Lastly, D is incorrect because a warm up is necessary and vital to an exercise. It provides the muscles with a stretch and gets them ready for a strenuous exercise.

Hope this helps! :)