Science, asked by respy, 2 months ago

The gas which passes into and out of the lungs unchanged is
(a) Nitrogen (b) Oxygen (c) Carbon dioxide.

Answers

Answered by shreyajaiswal684

3

Answer:

Nitrogen passes into and out of the lungs unchanged

Answered by N3KKI

1

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Oxygen - goes in

Carbon dioxide - comes out

Nitrogen - unchanged

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