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Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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There are more sensory neurons in the tongue than in any other part of the body.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified
Video: Glucagon (glycogenolysis and gluconeogenesis)

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