The stomach begins its production of gastric juice while food is still in the mouth Nerves from the cheeks and tongue are stimulated and send messages to the brain
Body Blast Cleanse The brain in turn sends messages to nerves in the stomach wall, stimulating the secretion of gastric juice before the arrival of food The second signal for gastric juice production occurs when food arrives in the stomach and touches the lining Gastric juice is secreted from the linings of the stomach walls, along and mucus that helps to protect the stomach lining from the action of the acid Three layers of powerful stomach muscles churn food into a thick liquid called chime (pronounced KIME) From time to time, chime is passed through the pyloric sphincter, the opening between the stomach and the small intestine Digestion and absorption in the small intestine The small intestine is a long, narrow tube running from the stomach to the large intestine The small intestine is greatly coiled and twisted Its full length is about 20 feet (6 meters) The small intestine is subdivided into three sections: the duodenum (pronounced do-o-DEE-num), the jejunum (pronounced je-JOO-num), and the ileum (pronounced ILL-eel-um) The duodenum is about 10 inches (25 centimeters) long and connects and the lower portion of the stomach When chime reaches the duodenum, it is further broken down by intestinal juices and through the action of the pancreas and gall bladder
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