Question

28) List three conditions required for efficient gas exchange in humans.​

Answer 1

Answer:

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Explanation:

Large surface area for easy gas exchange.

Fine and delicate surface for easy exchange of oxygen and carbon dioxide.

Mechanism for moving air in and out of the respiratory surface.

Placement of respiratory surface within the body for protection.

Answer 2

Answer:

»Large surface area for easy gas exchange.

»Fine and delicate surface for easy exchange of oxygen and carbon dioxide.

»Mechanism for moving air in and out of the respiratory surface.

Explanation:

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