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Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Did you know?
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.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").