1.

Muscles which help in respiration areA. Sternum and petrohyalB. Sternohyal and petrohyalC. Jugal and tendonsD. none of these

Answer» Correct Answer - b
stemphyal and petrohyal helps in respiration of frog. Constration of stemohtal muscle during breathing in frog lowers floor of oral cabity. While contration of petrohyal muscle during beathing in frog raises the floor of buccal cavity.


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