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Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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There are 20 feet of blood vessels in each square inch of human skin.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Despite the traditional focus on males, females actively choose mates and are the driving force in t Despite the traditional focus on males, females actively choose mates and are the driving force in t
Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location. Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location.
Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ... Twelve primary energy channels and the Conception and Governing Vessels of Traditional Chinese ...
Traditional plant breeding Traditional plant breeding
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
Video: Glucagon (glycogenolysis and gluconeogenesis)

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