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Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Central portal of the west facade, Reims Cathedral, France. Central portal of the west facade, Reims Cathedral, France.
Rub the ears between your thumbs and index fingers. Follow the curves to rub the entire ear, ... Rub the ears between your thumbs and index fingers. Follow the curves to rub the entire ear, ...
Use flat fingers to apply L stroke in several locations to cover the entire forehead, from midline ... Use flat fingers to apply L stroke in several locations to cover the entire forehead, from midline ...
Flexion and extension of the fingers Flexion and extension of the fingers
Assessment of central venous pressure Assessment of central venous pressure
The Central and Peripheral Nervous System The Central and Peripheral Nervous System
Video: Mendel's Pea Experiment

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