Question

21. What does the swim bladder contain? What is the function of the swim bladder?

Answer 1

Answer:

fish anatomy

helps to swim

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Answer 2

Answer:

The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the

fish to maintain its depth without floating upward or sinking.

it helps a fish to swim