Question

A large proportion of oxygen is left unused in the human blood even after its uptakes by the body tissues. This O2 :

Answer 1

┏─━─━─━─━∞◆∞━─━─━─━─┓
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛




it is :



.$\huge\bold{Residual\:Volume}$


it is exhaled out...


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