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Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

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Thyroid conditions may make getting pregnant impossible.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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Stereotaxic Surgery on a Human Patient Stereotaxic Surgery on a Human Patient
Medication with the USP label (left) and without USP label (right). Practice Label “for ... Medication with the USP label (left) and without USP label (right). Practice Label “for ...
NCC MERP Index for categorizing medication errors. NCC MERP Index for categorizing medication errors.
Villi and microvilli of the small intestine: (a) Tablet dissolves in the stomach. (b) Medication ... Villi and microvilli of the small intestine: (a) Tablet dissolves in the stomach. (b) Medication ...
Instillation of Ear Medication Instillation of Ear Medication
Video: Bone Growth and Remodeling

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