In which of the following animals does the di | vedclass

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(A) The diaphragm is a characteristic muscular partition found only in mammals that aids in breathing by changing the volume of the thoracic cavity. $

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Frog

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(A) The diaphragm is a characteristic muscular partition found only in mammals that aids in breathing by changing the volume of the thoracic cavity. $A$. Frog is an amphibian and lacks a diaphragm; it uses buccal cavity,skin,and lungs for respiration. $B$. Rat,$C$. Camel,and $D$. Rabbit are all mammals and possess a diaphragm that plays a crucial role in their respiratory mechanism.

In which of the following animals does the diaphragm play no role in respiration?

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