Will upvote every answer! a multiple choice question!

question 5 (multiple choice)

during exercise, the amount of carried in the blood to the muscles increases.

a) oxygen
b) carbon dioxide
c) energy
d) calories

the gravitational force on an object increase as the mass of an object also, im not going to report you, but this question should be under the science category, not health

answercobra of 1985;

hey, the answer to your question would be a.) progressive resistance training.