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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.
Your heart beats over 36 million times a year.
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.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.