1
Question
In which animal, diaphragm has no role in respiration?
In which animal, diaphragm has no role in respiration?
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Solution
The correct option is A Frog
Frogs do not have a diaphragm, which in mammals helps serve in expanding of the chest and thereby decreasing the pressure in the lungs allowing outside air to flow in.The frog respires via many different ways:1. Lungs which brings in air through their nares and mouth, into the trachea and then to the lungs for gas exchange and uptake of oxygen.
2. Cutaneous respiration -The skin of many frogs is thin and highly vascular to allow for gas exchange.3. Frogs can also have gas exchange across the thin, highly vascular buccopharyngeal membrane, a lining of the mouth. Hence option A is correct.
Frogs do not have a diaphragm, which in mammals helps serve in expanding of the chest and thereby decreasing the pressure in the lungs allowing outside air to flow in.
The frog respires via many different ways:
1. Lungs which brings in air through their nares and mouth, into the trachea and then to the lungs for gas exchange and uptake of oxygen.
2. Cutaneous respiration -The skin of many frogs is thin and highly vascular to allow for gas exchange.
3. Frogs can also have gas exchange across the thin, highly vascular buccopharyngeal membrane, a lining of the mouth. Hence option A is correct.
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