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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.