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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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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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The horizontal fraction bar was introduced by the Arabs.

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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr
Human Heart Cir Human Heart Cir
5 areas to listen to heart 5 areas to listen to heart
Anatomy of the heart. Remember: It is labeled right and left based on the patient’s perspective. Anatomy of the heart. Remember: It is labeled right and left based on the patient’s perspective.
Embryonic Period - Heart Development Embryonic Period - Heart Development
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ... Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...
Video: A timeline of the teeth (Explained - No Audio)

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