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Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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There are approximately 3 million unintended pregnancies in the United States each year.

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The average adult has about 21 square feet of skin.

Did you know?

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.

(A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene (A) Dornier Compact Delta® lithotripsy system. Acoustic shock waves generated by the shock-wave-gene
Urine dipstick. Urine dipstick.
Performing a Urine Pregnancy Test Using the Enzyme Immunoassay Method Performing a Urine Pregnancy Test Using the Enzyme Immunoassay Method
An inflamed tongue (glossitis) is one symptom of a riboflavin deficiency An inflamed tongue (glossitis) is one symptom of a riboflavin deficiency
17th Century Physician Examining a Urine Specimen 17th Century Physician Examining a Urine Specimen
How urine forms. How urine forms.
Video: Introduction to Cystic Fibrosis

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