Question

1: the gas that we need to breath _________.
NOTE :
the answer should be word buz i need help nd they are fine 1 word ans
2: it us the movement of air passing in and out of the lungs
3: ​

Answer 1

Answer:

Oxygen (O2)

Explanation:

Hope this helps u...

Answer 2

Answer:

1. Oxygen

2. respiration

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