The volume of air that ensurers exchange of gases in between breaths is
A. RV
B. IRV
C. ERC
D. TV
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Explanation:
During breathing cycle, the residual volume of air in lungs provide the advantage as it prevents the lungs from collapsing. Also, due to the presence of residual volume, there is sufficient time for oxygen to be absorbed and for the carbon dioxide to be released during breathing.
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