Question

Where and how does the exchange of gases occur in fish,insects, frog​

Answer 1

Amphibians, mammals, and birds exchange gases through special respiratory organs called lungs. Lungs are air-filled sac-like structures in the chest cavity. They are connected to the outside by a series of tubes and small opening.

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Answer 2

Answer:

Fish exchange gases through gills.

Insects by trachea ( in case of cockroach).

Frog through lungs when it is on land and through gills when it is in water ( frog is an amphibian)

Explanation:

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