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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
Question
Define breathing.
✓

Answer

Breathing is the process in which animals take in air (oxygen) from their surrounding medium and give out carbon dioxide-rich air into the same medium.

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