Answer :
"Blood flow increases" is the one way among the following choices given in the question that a proper warm up affect blood flow. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your help.
Read more on Brainly - https://brainly.com/sf/question/399664
Read more on Brainly - https://brainly.com/sf/question/399664
During a proper warm up the heart beat rises, allowing more energy to go to your muscles. This increases blood flow through the body.