why exchange of gases take place only alveoli?
ans the question please??
Answers
Answered by
2
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
Answered by
2
Answer:
hope this helps you army :) :)
Explanation:
though arteries are present in pharynx, trachea and bronchus ? A. ... They fold to provide a wider surface area for gas exchange to take place and they are ventilated to remove carbon dioxide and to replenish oxygen levels in the alveolar air.
Similar questions