Question

What are the common features of all respiratory organs?

Answer 1

All the respiratory organs have large surface area to get enough oxygen. All the respiratory organs have thin walls for easy diffusion and exchange of respiratory gases. All the respiratory organs such as skin, gills and lungs, have a rich blood supply for transporting respiratory gases.

Answer 2

Answer:

there are large no. of alveolar sacs which helps to. expand a large area for gaseous exchange..

Explanation:

All the respiratory organs have three common features:

All the respiratory organs have a large surface area to get enough oxygen.

All the respiratory organs have thin walls for easy diffusion and exchange of respiratory gases.

All the respiratory organs like skin gills, and lungs have a rich blood supply for transporting respiratory gases.

Terrestrial animals can breathe the oxygen in the atmosphere, but animals that live in water (aquatic animals) need to use the oxygen dissolved in water.

Since the amount of dissolved oxygen is fairly low compared to the amount of oxygen in the air, the rate of breathing in aquatic organisms is much faster than that seen in terrestrial organisms.

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