Question

Q- how are our lungs useful to us? ​

Answer 1

Answer:

Explanation:

Every cell in your body needs oxygen in order to live. The air we breathe contains oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body. At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide.so we can say that to complete our whole energy requirement lungs are very useful for us.

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