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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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