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Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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![The American clipper ship, Red Jacket, off Cape Horn, sails from Australia to Liverpool, England, in](https://biology-forums.com/gallery/47/medium_375552_19_08_15_9_09_53_22328361.jpeg)