Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Hematopoesis (Genesis of blood cells)
Vessels composed of vessel elements in xylem tissue.
