Question

15. How gaseous exchange takes place at blood level ?
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Answer 1

• 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.

Answer 2

Answer:

Hlo mate...........

Gas exchange takes placein the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaledoxygen moves from the alveoli to theblood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.