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Catarrh (/ k ə ˈ t ɑːr / kə-TAR) is an inflammation of mucous membranes in one of the airways or cavities of the body, [1] [2] usually with reference to the throat and paranasal sinuses. It can result in a thick exudate of mucus and white blood cells caused by the swelling of the mucous membranes in the head in response to an infection.
The stomach is a distensible organ and can normally expand to hold about one litre of food. [22] This expansion is enabled by a series of gastric folds in the inner walls of the stomach. The stomach of a newborn baby will only be able to expand to retain about 30 ml.
The digestive system functions to move material through the GI tract via peristalsis, break down that material via digestion, absorb nutrients for use throughout the body, and remove waste from the body via defecation. [3] Physicians who specialize in the medical specialty of gastroenterology are called gastroenterologists or sometimes GI doctors.
The stomach sits on the left side, which is attached to the esophagus tube. Food comes through the esophagus, goes behind all of the other organs in the thoracic cavity, and comes out through the point where the esophagus opens up into the stomach. The stomach is a more acidic environment to aid its role in beginning the major processes of ...
The human stomach can be divided into four sections, beginning at the cardia followed by the fundus, the body and the pylorus. [ 7 ] [ 8 ] The gastric cardia is where the contents of the esophagus empty from the gastroesophageal sphincter into the cardiac orifice, the opening into the gastric cardia.
It contains a serous fluid called peritoneal fluid that allows motion. This motion is apparent of the gastrointestinal tract. The peritoneum, by virtue of its connection to the two (parietal and visceral) portions, gives support to the abdominal organs. The peritoneum divides the cavity into numerous compartments.
The stomach vacuum is an isometric ab exercise that strengthens the core. Physical therapists say it's effective at working the abs and reducing back pain.
The human gastrointestinal tract consists of the esophagus, stomach, and intestines, and is divided into the upper and lower gastrointestinal tracts. [3] The GI tract includes all structures between the mouth and the anus , [ 4 ] forming a continuous passageway that includes the main organs of digestion, namely, the stomach , small intestine ...