Question

anyone knows process behind respiration​

Answer 1

Answer:

yeah I know.Let me explain.firstbthe oxygen gas enters through our nose and then enter the lungs through tracheae.in the alveoli of the lungs,the oxygen gas is taken and the carbon dioxide is released.

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Answer 2

Answer:

respiration is the movement of oxygen from the outside environment to the cells within tissues, and the transport of carbon dioxide in the opposite direction.

I hope it's helps you....