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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.