Gill
What are Gills?
Gills are respiratory organs found in many aquatic animals, like fish, that extract oxygen from water. Gills allow these organisms to breathe underwater by facilitating gas exchange between the water and their bloodstream.
Gills are respiratory organs found in many aquatic animals, like fish, that extract oxygen from water. Gills allow these organisms to breathe underwater by facilitating gas exchange between the water and their bloodstream.