A complex cartilaginous structure surrounding the upper end of the trachea:
Correct answer: A. Larynx
- A. Larynx
- B. Esophagus
- C. pharynx
- D. Epiglotis
Explanation
Larynx is also known as voice box and has vocal cords for sound production. It i s made up of complex callilaginous structure surrounding the upper end of the trachea.
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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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