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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
aby pygmy hippopotamus stands near its parent at a zoo in Jihlava, Czech Republic
Parent bug
Biology Teacher
Parents around the world teach their children their religious beliefs and practices. This photo is ...
Write an essay in the perspective of a parent
The phenotypes and chromosome compositions of parents