It is because of this need<span> to bring in large amounts of materials and remove waste products that </span>blood<span> flow increases dramatically </span>during exercise<span>. </span>Blood<span> flow is greater when you </span>exercise<span> because the </span>blood<span> vessels in your </span>muscles<span> dilate.</span>
The answer is reservoirs.
Answer: C
Explanation: Because you have to be professonal, at things like that
Hope it's right
