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Why do we breathe heavy after we do physical activity

Why do we breathe heavy after we do physical activity

Grade:7

2 Answers

Sudha Singh
31 Points
one year ago
Breathing become faster when we do physical exercise because more energy and oxygen required to cell to breaking down food .
Debarati
105 Points
one year ago
When we do more physical activities than usual, our body needs more amount of energy. As a result, our body cells will be requiring more oxygen to break down the digested food into CO2, H2O and energy.

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