Question

- Respiration in mammals is physical change or chemical change
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Answer 1

Answer:

Yes it is a chemical change because it is taking in oxygen and utilizing it to release energy as energy is released so it is a chemical change whereas breathing is a physical change as it is just taking in oxygen.. Glucose is oxidised to CO2 and H2O at the cells by the oxygen from air we breathe .

Answer 2

Hey brainly user

Here is your answer

chemical change ✔✔✔

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