Linked from

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

• Cutaneous respirationCompared with: They specialize in aquatic exchange where a general body surface may be insufficient.

• LungCompared with: Gills exchange gases with flowing water rather than air in alveoli.

• Tracheal systemCompared with: Gills solve aquatic gas exchange differently from air-conducting tracheal tubes.

• Salt glandCompared with: Fish gills regulate ions across a large surface, rather than using a separate salt gland.

• Respiratory systemCompared with: They perform the same exchange task as lungs using water rather than air.

• Book lungCompared with: Book lungs resemble gills in their folded surfaces but are adapted for air.

• Aquatic respirationCompared with: Gills are the characteristic structure for branchial aquatic respiration, unlike lungs.

• Insect respirationCompared with: Aquatic insects may use gills, contrasting with the air-filled tracheal routes typical of terrestrial insects.

• Plastron respirationCompared with: Gills move water across biological tissue; a plastron supplies oxygen across a gas–water interface.

• WoodlouseCompared with: Woodlice inherited gill-like abdominal structures despite living on land.