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Did you know?

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

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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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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr
Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu Blocked at every turn by congressional Republicans who hated him, President Obama turned to techniqu
Shifts between Warm and Cold Periods during the Last 3 Million Years Shifts between Warm and Cold Periods during the Last 3 Million Years
Children will feel more at ease and have a better learning experience if they are allowed to touch ... Children will feel more at ease and have a better learning experience if they are allowed to touch ...
A health care professional taking a radial pulse and common pulse points. A health care professional taking a radial pulse and common pulse points.
How did muscle work around eyeball? How did muscle work around eyeball?
Video: Atrophy

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