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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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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.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
![Dewey and the reformers attacked classes, such as this one, circa 1900, where students sat up straig](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_14_03_224292294.jpeg)
![Wet the forearms and hands from elbow to fingertips. Keep the hands lower than the elbows. Water ...](https://biology-forums.com/gallery/32/medium_380798_22_08_17_8_58_48_32916915.jpeg)