Which structural feature of gills increases efficiency of oxygen exchange?
Show answer and explanation
Correct answer: Presence of gill lamellae
Gill lamellae provide a large surface area for gas exchange. This maximizes oxygen absorption from water.
Practice all 20 Respiratory Adaptations: Altitude and Diving questions
Keep practicing
More Respiratory Adaptations: Altitude and Diving questions
- Counter-current flow in fish gills refers to:
- Why is oxygen extraction more difficult underwater than in air?
- Which adaptation allows aquatic mammals like whales to remain submerged for long durations?
- In underwater diving mammals, oxygen conservation is aided by:
- Which factor primarily triggers altitude sickness in humans?
- Fish ventilate their gills mainly by: