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Author Question: When a design team is having problems getting its new simulation software to work correctly, the ... (Read 23 times) |
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The average office desk has 400 times more bacteria on it than a toilet.
IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.