as humans we seem to have it sussed. as a fail safe we have multiples of organs or limbs etc, in order to survive, in case of the odd accident.
two eyes, ears, limbs, kidneys, etc,
so, an organ as important as the heart. why 'aint we got two of 'em?
two eyes, ears, limbs, kidneys, etc,
so, an organ as important as the heart. why 'aint we got two of 'em?