1.

Why we respire ?

Answer» We respire to breakdown glucose into ATP molecules so that we can use it in the form of energy by our body for various biochemical processes.
hence energy is provided
To live alive....we breathe oxygen and give out CO2
To live. To be alive. As oxygen is the gas which breaks up glucose into atp
so that the complex structure of glucose is broken down into simple soluble substances which can be easily absorbed by the body


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