In frogs, new air is drawn into the buccopharyngeal cavity through the nostrils, and old air is retained under pressure in:
Correct answer: A. Lungs
- A. Lungs
- B. Nasal
- C. Glottis
- D. Trachea
- E. Nostrils
Explanation
The correct answer is A Lungs. In frogs, the process of respiration involves the use of both the nostrils and the lungs. When a frog breathes, new air is drawn into the bucco-pharyngeal cavity (the oral cavity and pharynx) through the nostrils. From there, the air moves into the lungs for gas exchange.
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