There are 60,000 miles of blood vessels in every adult human.
Did you know?
When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Cyanide works by making the human body unable to use oxygen.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
A closer look at the structure and function of photosystem II
Structure of the mitotic spindle.
Structure of hair
Molecular structure of phaeomelanin (A) and eumelanin (B)