During the process of ______, lungs take in air from the atmosphere.

exhalation

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inhalation

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breathing

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respiration

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Solution

The correct option is B inhalation
$∙$ Inhalation/inspiration is the process of taking in air through nose and passing it towards the lungs through the trachea (windpipe).
$∙$ Exhalation/expiration is the process by which, the air is expelled from the body back into the atmosphere.
$∙$ Breathing is a physical process that involves both inhalation and exhalation.
$∙$ Respiration is a chemical process which involves breakdown of glucose into water vapour and carbon dioxide in the presence of oxygen.

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