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>
<span>HIV is increasingly recognized as an illness that affects couples and families, and not just the individual. This is not only because the virus can be passed on from one person to another, but also because for every person infected with HIV, there is a family and community that are also affected.</span>
<span>Specificity would be the answer I think hope this helps:) </span>
Their heart rates would be increased because of physical activity?
