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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?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.