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Art [367]
4 years ago
6

While gutting a fish, Nathan encountered an air-filled sac-like structure. What is the purpose of this structure in fish?

Biology
1 answer:
eimsori [14]4 years ago
4 0

D. It provides buoyancy to a fish.

This air pocket is known as the swim bladder, and also called air bladder. This is a buoyancy organ possessed by most bony fish. The air bladder is located in the body cavity and is derived from an out pocketing of the digestive tube.

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