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Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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Everyone has one nostril that is larger than the other.

Primary glands of the endocrine system. Primary glands of the endocrine system.
The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Nervous system. Nervous system.
Disorders of the Urinary System Disorders of the Urinary System
This distributor ignition system uses a remotely mounted ignition coil. This distributor ignition system uses a remotely mounted ignition coil.
Solve the system of equations: Solve the system of equations:
Video: Sister chromatids of a metaphase chromosome animation

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