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Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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.

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Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

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

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

A clouded leopard at the Feline Conservation Center, Rosamond, California A clouded leopard at the Feline Conservation Center, Rosamond, California
Nerve Links Nerve Links
Statistics Center (07/2016) Statistics Center (07/2016)
An electron micrograph of a synapse between two nerve cells. An electron micrograph of a synapse between two nerve cells.
As a nerve impulse arrives at the synapse, it triggers the release of a chemical neurotransmitter fr As a nerve impulse arrives at the synapse, it triggers the release of a chemical neurotransmitter fr
Which color is placed at the center of the circle? Which color is placed at the center of the circle?
Video: Reflex arc construction

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