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Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Page from a copy of Nizami's Khamseh (Quintet) illustrating a princely country feast, Persian, ... Page from a copy of Nizami's Khamseh (Quintet) illustrating a princely country feast, Persian, ...
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Examples of Transdermal Patches Examples of Transdermal Patches
Micrographs and drawings of three types of simple epithelia, with examples of their functions and lo Micrographs and drawings of three types of simple epithelia, with examples of their functions and lo
Examples of Differences in Mitochondrial Genetic Codes Examples of Differences in Mitochondrial Genetic Codes
Video: Fetal Development of the Cardiovascular System

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