A muscuarly controlled hinge, like action and serves as a lid which automatically covers the opening of the larynx is called:
Correct answer: A. Epiglottis
- A. Epiglottis
- B. Esophegeal sphineter
- C. Uvula
- D. Respiratory valve
Explanation
During swallowing backward movement of tongue pushes the soft palate up and closes the nasal opening at the back.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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