Which structure controls the movement of chyme from the stomach into the duodenum?
Correct answer: A. Pyloric sphincter
- A. Pyloric sphincter
- B. Cardiac sphincter
- C. Ileocecal valve
- D. Internal anal sphincter
Explanation
The pyloric sphincter regulates the emptying of partially digested food from the stomach into the duodenum. The cardiac sphincter is near the oesophageal opening, the ileocecal valve is between the small and large intestines, and the anal sphincter controls defecation.
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About Digestive System
The digestive system covers the structure and functions of the alimentary canal from mouth to anus, along with the liver, gallbladder and pancreas. It explains mechanical and chemical digestion, the action of major enzymes, absorption through intestinal villi, and how digestion differs from absorption and assimilation.
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