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Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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The average adult has about 21 square feet of skin.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Greater wings Greater wings
Although males tend to be larger than females, the two overlap significantly in size. The size of a Although males tend to be larger than females, the two overlap significantly in size. The size of a
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
Histopathologic findings in Crohn's disease. A high magnification micrograph of a colonic ... Histopathologic findings in Crohn's disease. A high magnification micrograph of a colonic ...
Average household size Average household size
Video: Introduction to Human Immunodeficiency Virus (HIV)

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