NEET Biology question
During swallowing, glottis can be covered by a thin elastic cartilaginous flap called ...A... to prevent the entry of food into larynx. Trachea is a straight tube extending up to ...B... cavity, which divides at the level of 5th thoracic vertebra into right and left primary ...C... Choose the correct option for A, B and C from the given four options to complete the above statement with reference to NCERT textbook
Answer: (B)
Solution
The epiglottis (A) covers the glottis during swallowing, the trachea extends up to the mid-thoracic cavity (B), where it divides
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