C is your answer for the question
"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.
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You dont and the most likely way to get food poisoning is by proteins which are meats, and also by checking the proteins to check if it is cooked