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How Important is the Presence of Air Bladder in Pisces? - Biology

How important is the presence of air bladder in Pisces?

 
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Solution

Bony fishes have a sac-like outgrowth, the swim bladder also called air bladder, that arises as an outgrowth from the dorsal wall of oesophagus. It is hydrostatic in function. It regulates buoyancy and helps them to swim up and down, thus preventing them from sinking. In some species air bladder also helps in respiration. It also serves as resonating chamber to produce or receive sound.

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APPEARS IN

NCERT Class 11 Biology Textbook
Chapter 4 Animal Kingdom
Q 10 | Page 62
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