Which animal skin acts as a respiratory organ?
-
Cockroach
-
Frog
-
Shark
-
Whale
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.