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Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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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.

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There are more bacteria in your mouth than there are people in the world.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Representative vertebrate circulatory systems. Representative vertebrate circulatory systems.
Three Tissue Systems Extend Throughout the Plant Body Three Tissue Systems Extend Throughout the Plant Body
Vesalius’s De Humani Corporis Fabrica was an important early work on the human species. Vesalius’s De Humani Corporis Fabrica was an important early work on the human species.
Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity. Early-maturing boys tend to be advantaged because they often fit cultural ideals of masculinity.
The Alpha-Z Alphabetic Color-Coding System The Alpha-Z Alphabetic Color-Coding System
Shallow-water systems are highly productive Shallow-water systems are highly productive
Video: Protein catabolism (Krebs cycle) and Protein anabolism (protein synthesis)

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