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Author Question: The seat of respiratory control is found in the: A) nose. B) medulla oblongata. C) lungs. D) ... (Read 23 times) |
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.