Question

what is respiration

Answer 1

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^^^^ Taking oxygen from outer body and using it for breaking down of food is called respiration

∆ Respiration is done by all organism to stay alive

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Answer 2

Respiration is a process by which living organisms -

1) Use oxygen from the air to oxidize food substances mainly glucose in their body cells.

2) Release energy in the form of heat.

3) Carbon dioxide and water vapour is also produced and released as exhaled air.

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