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Did you know?

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

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Tracheid cells in xylem tissue. Tracheid cells in xylem tissue.
kidney blood flow kidney blood flow
Occlusion or narrowing of the carotid artery disrupts blood flow Occlusion or narrowing of the carotid artery disrupts blood flow
Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ... Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ...
The metabolic activity of mammalian cells The metabolic activity of mammalian cells
Blood Transfusion Blood Transfusion
Video: Bone elongation - processes at the epiphyseal plate

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