Question

What do we need to breathe​

Answer 1

Answer:

The Role of the Respiratory System is to breathe in oxygen and breathe out carbon dioxide.

Explanation:

Answer 2

Everyday functions of the body like digesting your food, moving your muscles or even just thinking, need oxygen. When these processes happen, carbon dioxide is produced as a waste product. The job of your lungs in this system is to provide these processes with oxygen and to get rid of the waste gas, carbon dioxide.

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