you release waste
you might have sickness if you lack minerals. you might be malnourished
boob
boob
nothing
The minerals could build up and form a kidney stone.
Cows fall from minecraft!
they turn in rocks
It will start using your minerals. Not sure what happens if you run out of those.
The soil losses its growing qualitys.
They have to be soluble in water - dissolved
your blood cells will be weak and you will be sick.
It should bubble.