During the exchange of air in your lungs, your body seeks to ke...

Exchange of O2 and CO2 in the blood inside your lungs is called

During the exchange of air in your lungs oxygen is being taken into your bloodstream

during the exchange of air in your lungs, your body seeks to keep oxygen and release __ which will t...

During the exchange of air is being taken into your bloodstream while this substance is being releas...

During the exchange of air in your lungs, your body seeks to keep oxygen and release ______________...

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