Linked from

The 47 pages that link to Gills, each with the reason it gives.

• VentilationBroader topic: Gill ventilation moves water across the surfaces where oxygen enters blood.

• Freshwater fishBroader topic: Gills exchange gases while helping regulate ions in freshwater.

• Gas exchangeBroader topic: Gills perform gas exchange in fish and many aquatic invertebrates.

• Ram ventilationBroader topic: Water driven through the mouth passes across these structures for gas exchange.

• Pharyngeal archBroader topic: In many fishes, pharyngeal arches support the gills that develop along the pharynx.

• HymeniumBroader topic: Their two faces provide extensive surfaces for a hymenium beneath the cap.

• Pharyngeal slitBroader topic: In many aquatic vertebrates, pharyngeal slits open between gills and allow water to flow across them.

• Aquatic animalBroader topic: Many aquatic animals use gills to breathe while submerged.