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Class 7 Respiration in Organisms

Class 7 Science Chapter 10 Respiration in Organisms Class 7 Science Chapter 10 Respiration in Organisms for CBSE/ICSE  Students.   QUE.1 : Why does an athlete breathe faster and deeper than usual after finishing the race? Ans:-When an athlete runs hard, his muscles require extra energy. For this reason, he breathes faster and deeper, which […]

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