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The extensive capillary network which surrounds each alveolus
  • a)
    prevents the alveoli from collapsing
  • b)
    produces mucus which protects the lungs
  • c)
    increases surface area for the exchange of gases
  • d)
    cools the air so diffusion of gases occurs more quickly
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The extensive capillary network which surrounds each alveolusa)prevent...
Increased Surface Area for Gas Exchange
- The extensive capillary network surrounding each alveolus increases the surface area available for the exchange of gases.
- This increased surface area allows for more efficient diffusion of oxygen and carbon dioxide between the air in the alveoli and the blood in the capillaries.

Efficient Exchange of Gases
- The close proximity of the capillaries to the alveoli ensures that the diffusion of gases occurs quickly and effectively.
- This rapid exchange of gases is essential for maintaining proper oxygenation of the blood and removal of carbon dioxide from the body.

Optimal Respiratory Function
- The capillary network plays a crucial role in the functioning of the respiratory system by ensuring that gas exchange occurs efficiently.
- Without this extensive network, the process of gas exchange would be slower and less effective, leading to inadequate oxygenation of the body's tissues.
Therefore, the primary function of the capillary network surrounding each alveolus is to increase the surface area available for gas exchange, allowing for efficient diffusion of oxygen and carbon dioxide between the air in the alveoli and the blood in the capillaries.
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The extensive capillary network which surrounds each alveolusa)prevents the alveoli from collapsingb)produces mucus which protects the lungsc)increases surface area for the exchange of gasesd)cools the air so diffusion of gases occurs more quicklyCorrect answer is option 'C'. Can you explain this answer?
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