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The duodenum is the shortest, widest part of the small intestine. It extends from the pylorus to the duodenojejunal flexure. It curves in the shape of a C around the head of the pancreas. It lies opposite to the second third and fourth lumbar vertebrae.
List and define the major processes occurring digestive system activity. • Ingestion: the simple act of putting food into the mouth • Propulsion or Motility: moves food through the alimentary canal and includes both swallowing and peristalsis.
Study with Quizlet and memorize flashcards containing terms like Describe the function of the digestive system, and differentiate between organs of the alimentary canal and the accessory organs or structures, List and define the major processes occurring during digestive system activity, Describe stimuli and controls of digestive activity ...
29 lis 2023 · The duodenum is the first of the three parts of the small intestine that receives partially digested food from the stomach and begins with the absorption of nutrients. It is directly attached to the pylorus of the stomach.
17 lip 2023 · The digestion inside of the duodenum is facilitated by the digestive enzymes and intestinal juices secreted by the intestinal wall as well as fluids received from the gallbladder, liver, and pancreas.
2 lis 2023 · Monogastric organisms like humans have two kinds of digestive processes occurring in the digestive tract – mechanical and chemical digestion. Once the desired food is obtained, the digestive process begins in the mouth with mechanical digestion.
31 lip 2022 · The duodenum is separated from the stomach by the pyloric sphincter which opens to allow chyme to move from the stomach to the duodenum. In the duodenum, chyme is mixed with pancreatic juices in an alkaline solution rich in bicarbonate that neutralizes the acidity of chyme and acts as a buffer.
