Description: The white cystic organ in the belly of fish can adjust the ups and downs of fish.

Part of speech: noun.

Structure: fish (upper and lower structure) swim bladder (left and right structure).

Quote and explanation: refers to the white cystic organ that can expand and contract in fish. It is filled with mixed gases such as nitrogen, oxygen and carbon dioxide. Fish sink when contracting and float when expanding. Quote Lu Fen Tea Hotel by Song and Wu: Two-color swim bladder, seafood.

Make a sentence

This disease has always been thought to be caused by abnormal swim bladder.

Guinness beer is filtered with a very small amount of gelatin made from swim bladder, and the process of containing animal gelatin is unique.

Many fish have a swim bladder to help them float.

This gland ensures that the pressure in the swim bladder remains stable when the fish swims upstream and downstream.

The muscle, heart and swim bladder cell lines of snakehead were established.

When many small fish hatch, the pectoral fins are not fully formed, and all fish hatch without the swim bladder. So they may face similar problems of not being good at swimming.