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The human body produces and destroys 15 million blood cells every second.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus. Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus.
Age-Crime Relationship in (a) 1842 and (b) 1992 Age-Crime Relationship in (a) 1842 and (b) 1992
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
US federal budget deficit/surplus and debt US federal budget deficit/surplus and debt
Video: Acids and bases - definition

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