Question

What are the four conditions require for efficient gas exchange in an organism

Answer 1

Increased respiratory surface area.
2. Very fine and delicate surface for easy exchage of oxygen and carbondixode
​3. Placement of respiratory surface within the body for protection and hence special passages are present so that the air could make its easy entry and exit
4. Mechanism for moving the air in and out of the respiratory surace were oxygen is absorbed.

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