The answer is muscle endurance
The stage of the heart cycle in which the heart muscle is relaxed<span>, allowing the chambers to fill with blood. ... The </span>stage of the heart cycle in which the heart muscle<span> contracts and the chambers pump blood. Systolic Pressure. Blood pressure in the arteries during contraction of the ventricles</span>
Running or sum sort of exercise so that their blood flows consitantly
Proper body alignment can help with body mechanics & helps the major systems <span>in your body work better.</span>