movement of chyme from the stomach into the small intestine is regulated by the:
A)pancreas.
B)pyloric sphincter.
C)ileocecal valve.
D)duodenum.

Question

Quizplus · Accepted Answer

The pyloric sphincter is a muscular valve located at the bottom of the stomach that controls the release of chyme into the small intestine. It provides a controlled release of partially digested food and allows the small intestine to digest and absorb nutrients at a regulated pace. The pancreas plays a role in digestion by secreting enzymes into the small intestine, but it does not regulate the movement of chyme from the stomach. The ileocecal valve connects the small and large intestine and regulates the flow of contents in that direction, not from the stomach to the small intestine. The duodenum is the first segment of the small intestine and receives chyme from the stomach through the pyloric sphincter, but it does not regulate the movement of chyme. The movement of chyme from the stomach into the small intestine is regulated by the pyloric sphincter. This is a muscular valve located at the end of the stomach that controls the entry of chyme into the small intestine. The pancreas plays a role in digestion by producing enzymes that are released into the small intestine, but it does not regulate the movement of chyme. The ileocecal valve controls the movement of material from the small intestine into the large intestine, and the duodenum is the first part of the small intestine where most of the digestive process occurs.

Movement of Chyme from the Stomach into the Small Intestine