|
|
There are more bacteria in your mouth than there are people in the world.
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.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
![Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus](https://biology-forums.com/gallery/47/medium_33_02_08_11_12_25_25_13782422.jpeg)
![Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus](https://biology-forums.com/gallery/47/medium_33_02_08_11_12_25_25_1379287.jpeg)