Why Is Proper Ventilation Important for a Respiring Animal

question 80

Multiple Choice

Why is proper ventilation important for a respiring animal?

• A) It directly increases gas exchange between the blood and cells.
• B) It maintains proper O₂and CO₂levels on the external side of the respiratory surface so diffusion across it can be maintained.
• C) It maintains blood circulation within the body of an animal.
• D) It maintains proper O₂and CO₂levels on the internal side of the respiratory surface so diffusion across it can be maintained.
• E) It directly maintains proper O₂and CO₂levels in tissues.

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