NURS150 Lecture Notes - Lecture 10: Muscular Layer, Pancreas, Lamina Propria
Document Summary
A: it is the muscular contractions that mix and move forward the contents of the digestive tract. A: pushing contents forward through the digestive system. A: mixing food with digestive juices promotes digestion of food by exposing all parts pf intestinal contents to absorbing surfaces of digestive tract. Q: what are the major accessory organs that support to main digestive system (tube) (3) Q: describe the what secretions consists of in the digestive system (3) A: consists of water, electrolytes, and specific organic constituent. Q: secretions can usually can be broken down into 2 main types. A: into the lumen on appropriate neural or hormonal stimulation. A: they are normally reabsorbed in one form or another back into the blood after their participation in digestion facilitates absorption. A: it is the biochemical breakdown of structurally complex foodstuffs into smaller, absorbable units. A: mechanical by movement and chemical by the help of enzymes.