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Fishes respire through
Fishes respire through
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Gills
Respiration in fish takes place with the help of gills. Most fish possess gills on either side of their head. Gills are tissues made up of feathery structures called gill filaments providing a large surface area for exchange of gases. A large surface area is crucial for gas exchange in aquatic organisms as water contains very little amount of dissolved oxygen.
Figure : Gills
The correct option is
A
Gills
Respiration in fish takes place with the help of gills. Most fish possess gills on either side of their head. Gills are tissues made up of feathery structures called gill filaments providing a large surface area for exchange of gases. A large surface area is crucial for gas exchange in aquatic organisms as water contains very little amount of dissolved oxygen.
Figure : Gills
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