You can. You won't be able to very physically active, but people have survived with only one lung.
NO
i cant live without you
yes,me thinks
i cant live without u
you cant live without water or air
They can and did live quite happily without it.
They can.
insulin
Gravity
because
we cant
....it is how we breathe..... Well yes, of course... you cannot live without your lungs.