In bristle worms, what is the name of paired, fleshy extensions of the body wall that are used for locomotion and gas exchange?

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Parapodia are the paired, fleshy extensions of the body wall in bristle worms that are used for locomotion and gas exchange. Setae are bristle-like structures used for movement and defense, septa are the partitions that divide the segments in the body cavity of annelids, and metanephridia are excretory organs that eliminate metabolic waste from the body of annelids.

In Bristle Worms, What Is the Name of Paired, Fleshy