3 Questions
Which of the following groups of animals exchange O2 with CO2 by simple diffusion over their entire body surface?
Coelenterates
What is the name of the network of tubes used by insects to transport atmospheric air within the body?
Tracheal tubes
Which group of animals use vascularised bags called lungs for the exchange of gases?
Terrestrial forms
Test your knowledge on the mechanisms of breathing in different animal groups, from invertebrates to mammals. Learn about the unique adaptations these animals have developed to exchange oxygen and carbon dioxide with their environment. Keywords: breathing, animals, habitats, diffusion, tracheal tubes, adaptation.
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