Air bladder is

Question

Air bladder is (A) Hydrostatic organ of bony fishes (B) Excretory organs of mammals (C) Respiratory organs of birds (D) Respiratory organ of reptiles

Tardigrade Admin · Accepted Answer

Air bladder or swim bladder regulates buoyancy. Air bladder is absent in cartilaginous fishes (chondrichthyes) so those fishes have to swim continuously to avoid sinking. Air bladder is present in bony fishes.

Q. Air bladder is

Hydrostatic organ of bony fishes

Excretory organs of mammals

Respiratory organs of birds

Respiratory organ of reptiles

Air bladder or swim bladder regulates buoyancy. Air bladder is absent in cartilaginous fishes (chondrichthyes) so those fishes have to swim continuously to avoid sinking. Air bladder is present in bony fishes.