Which structure carries food from the pharynx to the stomach by peristalsis?
Correct answer: B. Oesophagus
- A. Trachea
- B. Oesophagus
- C. Duodenum
- D. Pancreatic duct
Explanation
The oesophagus is a muscular tube that moves the swallowed bolus to the stomach through peristaltic contractions. The trachea carries air, while the duodenum and pancreatic duct are involved after food reaches the stomach.
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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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40 free Digestive System MCQs from Anatomy and Physiology for Nursing, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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