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 ________.

Q. During respiration, glucose and oxygen enter our body cells and waste products carbon dioxide and water leave the body cells by the process of :
(a) effusion
(b) osmosis
(c) diffusion
(d) plasmolysis

Q. Assertion :Diffusion is a passive type of transport. Reason: Osmosis is an active process of membrane transport.

The following list indicates certain molecules/ions and their mechanism of transport across the cell membrane. Determine the correct pair(s) from the list.

I. Diffusion - $N a^{+}$

II. Active transport - Amino acids

III. Osmosis - Water

IV. Facilitated diffusion - Glucose

Assertion: Both facilitated diffusion and active transport are mediated through membrane proteins.

Reason: Only active transport is selective in action.

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

The correct option is B diffusion This takes place along the concentration gradient.

The correct option is B
diffusion

This takes place along the concentration gradient.