During swallowing, which structure folds over the laryngeal opening to help protect the airway?
Correct answer: C. Epiglottis
- A. Soft palate
- B. Uvula
- C. Epiglottis
- D. Vocal cord
Explanation
The epiglottis moves over the laryngeal opening during swallowing and helps direct food into the oesophagus. The soft palate mainly closes the nasopharynx, while the uvula does not cover the laryngeal opening.
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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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