If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Cyanide works by making the human body unable to use oxygen.
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
How alcohol affects you body
Body fluid compartments.
Important Trace Elements in the Body
Movement of a drug through the body (pharmacokinetics): absorption, distribution, metabolism, and ...
Overhead stretch for the shoulder muscles. Lean back to create the stretch using your body weight.