Borborygmus (plural borborygmi) is the rumbling sound produced by the movement of gas through the intestines of animals. A schematic representation of hearing. ... A gas is one of the four main phases of matter (after solid and liquid, and followed by plasma), that subsequently appear as a solid material is subjected to increasingly higher temperatures. ... The intestine is the portion of the alimentary canal extending from the stomach to the anus and, in humans and mammals, consists of two segments, the small intestine and the large intestine. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (parasitic to flatworms, echinoderms, etc. ...

The "rumble" or "growl" sometimes heard from the stomach is a normal part of digestion. It originates in the stomach or upper part of the small intestine as muscles contract to move food and digestive juices down the gastrointestinal tract. The stomach (Gaster) In anatomy, the stomach (in ancient Greek στόμαχος) is an organ in the gastrointestinal tract used to digest food. ... Digestion is the process whereby a biological entity processes a substance, in order to chemically convert the substance into nutrients. ... Diagram showing the small intestine In biology the small intestine is the part of the gastrointestinal tract between the stomach and the large intestine (colon). ... A top-down view of skeletal muscle Muscle is the contractile tissue of the body and is derived from the mesodermal layer of embryonic germ cells. ... The gastrointestinal tract or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and expels the remaining waste. ...

Although this muscle contraction happens whether or not food is present, rumbles are more common after the animal has gone several hours without eating. This may be why a "growling" stomach is often associated with hunger. A top-down view of skeletal muscle A muscle contraction (also known as a muscle twitch or simply twitch) occurs when a muscle cell (called a muscle fiber) shortens. ... In general terms, eating (formally, ingestion) is the process of consuming something edible, i. ... For the 1983 horror film, see The Hunger. ...

Rumbles may also occur when there is incomplete digestion of food that can lead to excess gas in the intestine. In humans this can be due to incomplete digestion of carbohydrate-containing foods including milk and other dairy products (lactose intolerance), fruits, vegetables, beans, legumes, and high-fiber whole grains. In rare instances excessive abdominal noise may be a sign of digestive disease, especially when accompanied by abdominal bloating, abdominal pain, diarrhea or constipation. Carbohydrates are chemical compounds that contain oxygen, hydrogen, and carbon atoms. ... A glass of cows milk Milk most often means the nutrient fluid produced by the mammary glands of female mammals. ... Dairy farm near Oxford, New York A dairy is a facility for the extraction and processing of animal milk (mostly from cows, sometimes from buffalo, sheep or goats) and other farm animals, for human consumption. ... It has been suggested that this article or section be merged with List of fruits. ... Vegetables in a market Vegetable is a culinary term denoting any part of a plant that is commonly consumed by humans as food, but is not regarded as a culinary grain, fruit, nut, herb, or spice. ... Green beans Bean is a common name for large plant seeds of several genera of Fabaceae (formerly Leguminosae) used for food or feed. ... Varieties of soybean seeds, a popular legume A flowering legume (Lupin) The term legume has two closely related meanings in botany, a situation encountered with many botanical common names of useful plants whereby an applied name can refer to either the plant itself, or to the edible fruit (or useful... Dietary fibers are the indigestible portion of plant foods that move food through the digestive system and absorb water. ... Whole grains are cereal grains which retain the bran and germ as well as the endosperm, in contrast to refined grains which retain only the endosperm. ... In anatomy, the abdomen is a part of the body; in humans, it is the region between the thorax and the pelvis. ... A disease is any abnormal condition of the body or mind that causes discomfort, dysfunction, or distress to the person affected or those in contact with the person. ... Bloating is any abnormal general swelling, or increase in diameter of the abdominal area. ... Abdominal pain can be one of the symptoms associated with transient disorders or serious disease. ... Diarrhea (American English) or diarrhoea (Commonwealth English) is a condition in which the sufferer has frequent and watery, chunky, or loose bowel movements (from the ancient Greek word διαρροή = leakage; lit. ... Constipation is a condition of the digestive system where a person (or other animal) experiences hard feces that is difficult to eliminate; it may be extremely painful, and in extreme cases (fecal impaction) lead to symptoms of bowel obstruction. ...