a physical process that involves the taking in and giving out of air
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1
Answer:
Breathing
Explanation:
Breathing is process of taking in and giving out of the air for exchange of gases between the internal of body and the external environment. The taking in of air is called as inhalation and giving out of air is called exhalation. It is an important part of respiration and can be done by various organs like nose, skin, gills.
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2
Answer:
Respiration (Breathing)
Explanation:
The process of taking in oxygen-rich air is called inhalation, the process of giving out air that is rich in carbon dioxide is known as exhalation.
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