"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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15 years old or the age in which a female begins menstrual cycles
A general principal: integrity.
In this activity, psychologists are honest, fair, and respectful of others. In describing or reporting their qualifications, services, products, fees, research, or teaching, they don’t make false statements. Psychologists strive to be aware of their own belief systems and the effect of these on their work.
Answer: you more than suitable!