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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.