Question

list 4 conditions required for efficient gas exange in an organism

Answer 1

1. large surface area over which exchange of gases can take place easily
2. very fine and delicate surface for easy exchange of oxygen and carbon dioxide
3. placement of respiratory surface within the body for protection and hence special passages are present so that the air could easily enter and exit
4. mechanism for moving air in and out of the respiratory surface where oxgyen is absorbed
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