North Korea has long complained about U.S.-South Korean military exercises â and not entirely without reason. (Ask a Georgian how Russiaâs Kavkaz-2008 exercise ended.) As the Clinton administration neared a nuclear deal with North Korea, it suspended the old, annual Team Spirit exercise that so irritated North Korea.
The stomach's main function is digestion. It does this by: The stomach uses pepsin (enzyme) and peptidase (another enzyme) to break down proteins in your food. The acid released by the stomach doesn't break down food it only provides a good environment for the enzymes to work in.
The stomach is a muscular, hollow, dilated part of the gastrointestinal tract that functions as a vital digestive organ. The stomach is present in humans and many other animals, including several invertebrates (e.g., echinoderms, insects, and molluscs).