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Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

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Excessive alcohol use costs the country approximately $235 billion every year.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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

Physical map of the E. coli genome Physical map of the E. coli genome
The acetic acid–acetate pair as a buffer system The acetic acid–acetate pair as a buffer system
Disorders of the Urinary System Disorders of the Urinary System
Types of forceps. Types of forceps.
The components of the respiratory system with micrographs of the respiratory epithelium and alveoli. ... The components of the respiratory system with micrographs of the respiratory epithelium and alveoli. ...
Two Types of Cells Two Types of Cells
Video: Phlebotomy

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