Multiple choice general knowledge

Which animal skin acts as a respiratory organ?

  1. Cockroach

  2. Frog

  3. Shark

  4. Whale

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Frogs use their skin as a respiratory organ through a process called cutaneous respiration. Their moist, vascularized skin allows oxygen and carbon dioxide exchange directly with the environment, especially during hibernation or when submerged. This is a key adaptation for amphibians.