Oxygen and carbon dioxide are exchanged in the alveoli by:

filtration

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osmosis

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diffusion

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active transport

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Solution

The correct option is C
diffusion

Oxygen and carbon dioxide are exchanged in the alveoli by simple diffusion across the wall of the surrounding capillary.

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Q. The partial pressures (in mm Hg) of oxygen

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Q. Which of the following statement(s) is (are) true about respiration?
(i) During inhalation, ribs move inward and diaphragm is raised.
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1)how do the number of alveoli increase affect the exchange of oxygen and carbon dioxide?

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Oxygen and carbon dioxide are exchanged in the alveoli by:

The correct option is C diffusion Oxygen and carbon dioxide are exchanged in the alveoli by simple diffusion across the wall of the surrounding capillary.

The correct option is C
diffusion

Oxygen and carbon dioxide are exchanged in the alveoli by simple diffusion across the wall of the surrounding capillary.