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Did you know?

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.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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Cyanide works by making the human body unable to use oxygen.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Female returning to the sea after nesting in Redang Island, Malaysia Female returning to the sea after nesting in Redang Island, Malaysia
A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
Le Youth & Lane 8 - I Will Leave A Light On feat. Jyll (Sultan + Shepard Remix) Le Youth & Lane 8 - I Will Leave A Light On feat. Jyll (Sultan + Shepard Remix)
Video: Types of Burns

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