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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Cottontails' ears have developed to hear even whisper-quiet sounds at incredible distances. Cottontails' ears have developed to hear even whisper-quiet sounds at incredible distances.
Apply circular friction to the area of the head around the base of the ears. Apply circular friction to the area of the head around the base of the ears.
Use flat fingers to apply L strokes along lateral neck from below the ears toward the terminus and ... Use flat fingers to apply L strokes along lateral neck from below the ears toward the terminus and ...
(A) Thumb slides above upper lip; to begin, fingers are placed near the ears, and thumbs begin at ... (A) Thumb slides above upper lip; to begin, fingers are placed near the ears, and thumbs begin at ...
Development of the Eyes and Ears: External View - 28 days Embryo Development of the Eyes and Ears: External View - 28 days Embryo
Development of the Eyes and Ears: External View - 28 days Embryo Development of the Eyes and Ears: External View - 28 days Embryo
Video: Renal Failure

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