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Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.