Question

Write the respiratory surface organ of the following
Frog
Earthworm
Mosquito
Birds

Answer 1

frog.skin, lungs and lining of the mouth
earthworm.skin
mosquito.spiracles and trachea
birds.lungs

Answer 2

Hello Dear.

Here is the answer---

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Frog ⇒   The Respiratory organ of the Frog is Lungs.
The Respiration in a frog is also possible by the skin and the lining on his mouth. Through the lungs, Frogs Diffuse carbon dioxide and takes up the oxygen.

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Earthworm ⇒ Respiratory organ of the Earthworm is the Skin. By the Process of Diffusion, Earthworm Respires. It does not have lungs for the Respiration. It gives out the Carbon dioxide and takes up the oxygen.

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Mosquito ⇒ Air enters the Mosquito body through the external openings called as Spiracles. These openings in the mosquito leads to the Respiration. Through these openings exchange of the gases takes place.

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Birds ⇒ The Respiratory organ of the Birds is the Lungs. Birds do not have Diaphragm, thus there lungs does not expands or contracts during the Process of Respiration. When the Birds breath, the air of the lungs moves into the Cranial air sacs. The cranial air sacs acts as a hollow chambers which provides a Small back flow of air into the lungs during the expiration of the Carbon Dioxide.

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Hope it helps.

Have a Marvelous Day. :-)