NEET BIOLOGY

Detailed explanation-1: -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.

Detailed explanation-2: -The swim bladder is a gas-filled organ in the dorsal coelomic cavity of fish. Its primary function is maintaining buoyancy, but it is also involved in respiration, sound production, and possibly perception of pressure fluctuations (including sound).

Detailed explanation-3: -When the swim bladder expands it will increase in volume and therefore displace more water. This increases the fish’s buoyancy and it will float upward. When the swim bladder deflates the fish’s buoyancy decreases and it will sink as it displaces less water.

Detailed explanation-4: -The swim bladder, also known as the air bladder or gas bladder, is an organ that develops during the embryonic stage from an out pocketing of the digestive tract. Many fish have two different divisions of the gas bladder.