Question

Describe the structure and function of gills in fishes. (long type answer)​

Answer 1

Answer:

Gills are tissues that are like short threads, protein structures called filaments. These filaments have many functions including the transfer of ions and water, as well as the exchange of oxygen, carbon dioxide, acids and ammonia. ... The gills push the oxygen-poor water out through openings in the sides of the pharynx.

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