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Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

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There are more sensory neurons in the tongue than in any other part of the body.

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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

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.

Male coloration in African cichlids. Male coloration in African cichlids.
Male African lion of the Transvaal subspecies Male African lion of the Transvaal subspecies
A roller cell-type electric fuel pump. A roller cell-type electric fuel pump.
Action of a type I topoisomerase Action of a type I topoisomerase
Gross anatomy of the male reproductive organs Gross anatomy of the male reproductive organs
The DNA of S-type bacteria can transform R-type bacteria into the same S type. The DNA of S-type bacteria can transform R-type bacteria into the same S type.
Video: Autonomic Nervous System Animation

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