The strongest muscle in the body is the tongue!
The volume of blood pumped by the heart can vary over a wide range, from five to 30 liters per minute.
Cuddling (and other acts of love) help to heal physical wounds faster due to the release of oxytocin.
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The human brain isn't fully functional for learning until after 10 AM, science has proved that schools begin way too early.
The only part of the body that has no blood supply is the cornea in the eye. It takes in oxygen directly from the air.
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CT body scans expose the patient to the same amount of radiation as that experienced within a mile and a half of the Hiroshima atomic bomb.
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Human hair and fingernails continue to grow after death.
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The happier you are, the less sleep you require to function in everyday life. Sadness increases the urge to sleep more.
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Sigmund Freud recommended cocaine as treatment for alcoholism, morphine addiction and depression.
Silent farts have the most concentrated doses of sulfur, the compound that makes farts smell.
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