If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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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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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
The functioning of the heart valves and blood flow.