Your answer is going to be D. It narrows blood vessels. It is correct on E D G E N U I T Y.
<span>The answer which is true concerning stretching techniques is B. you should always stretch before warming up. Stretching is quite important to do before any form of exercise, even the easiest ones, such as warming up, so as to prevent the possibility of hurting your body in any way. This way, your body will be prepared for what is going to happen to it next during the exercises you do.</span>
1. descriptive epidemiology
2. cross-sectional study
