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

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Metabolic rates of animals that differ in size. Metabolic rates of animals that differ in size.
The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa The head of the jaguar is robust and the jaw extremely powerful. The size of jaguars tends to increa
Here are images of live zebrafish that were studied for genetics and head size to give insight into Here are images of live zebrafish that were studied for genetics and head size to give insight into
Chart depicting pupillary size in millimeters Chart depicting pupillary size in millimeters
Eleanor Antin, My Kingdom Is the Right Size, from the series The King of Solana Beach. Eleanor Antin, My Kingdom Is the Right Size, from the series The King of Solana Beach.
How high a hill would a 75-kg hiker have to climb to increase her gravitational potential ... How high a hill would a 75-kg hiker have to climb to increase her gravitational potential ...
Video: Bulk flow - factors that influence bulk flow

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