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Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

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There are more nerve cells in one human brain than there are stars in the Milky Way.

Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
pupil light reaction pupil light reaction
The hard palate is located anteriorly in the roof of the mouth The hard palate is located anteriorly in the roof of the mouth
Some vehicles use a surge tank, which is located at the highest level of the cooling system, with ... Some vehicles use a surge tank, which is located at the highest level of the cooling system, with ...
The Schrader valve on this General Motors 3800 V-6 is located next to the fuel-pressure regulator. The Schrader valve on this General Motors 3800 V-6 is located next to the fuel-pressure regulator.
The cystic fibrosis protein is a membrane protein. The CFTR protein is located in the plasma membran The cystic fibrosis protein is a membrane protein. The CFTR protein is located in the plasma membran
Video: Neuron Structure Animation

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