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  • What role does the glottis play in frog respiration?Option: 1 It allows for the entry of air into the lungs.

What role does the glottis play in frog respiration?

Option: 1

It allows for the entry of air into the lungs.


Option: 2

It controls the opening and closing of the nostrils.


Option: 3

It aids in vocalization and sound production.


Option: 4

It helps in the regulation of body temperature.


Answers (1)

best_answer

The glottis is a small opening located at the back of the oral cavity in frogs. It serves as the entrance to the respiratory system. When a frog breathes, the glottis opens, allowing air to enter the lungs. This air passes through the buccal cavity, where gas exchange occurs across the moist lining, and then continues into the lungs for further gas exchange. After oxygen is extracted from the air in the lungs, carbon dioxide is expelled from the body through the same pathway. So, the glottis plays a crucial role in facilitating the entry of air into the frog's lungs, enabling respiration to occur. Hence, the correct answer is option 1

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