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प्रश्न
Which of the following best describes the process of gas exchange in the lungs?
विकल्प
Air moves in and out of the alveoli during breathing.
Carbon dioxide diffuses from deoxygenated blood in capillaries into the alveolar air.
Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.
Oxygen diffuses from alveolar air into deoxygenated blood.
उत्तर
Oxygen and carbon dioxide diffuse down their concentration gradients between blood and alveolar air.
संबंधित प्रश्न
Which of the following substances in tobacco smoke damage the gas exchange system?
The exchange of gases in the alveoli of the lungs takes place by ______.
Exchange of gases in lung alveoli occurs through:
Name the primary site of exchange of gases in our body?
Compared to O2, diffusion rate of CO2 through the diffusion membrane per unit difference in partial pressure is much higher. Explain.
