Ever wonder how a swim bladder works?

Swim bladders are special organs filled with air that help regulate the buoyancy of some bony fish, like teleosts. Check out this YouTube video which explains how the swim bladder works: Because the inner surface of this organ is lined with mucosa, researchers suspected it may contain immune cells and microbes – similar to the inner lining of mammalian lungs. In a study published in Cell Discovery, researchers confirmed the […]

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