Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by ________.

osmosis

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diffusion

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filtration

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active transport

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Solution

The correct option is B
diffusion

This takes place along the concentration gradient.

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Similar questions

Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes by

Osmosis and diffusion are the same except that in osmosis there is

(a) a freely permeable membrane

(b) a cell wall in between

(d) an endless inflow of water into a cell

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