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Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

