Mastication (when teeth cut and grind food) is a physical change.
when your teeth grind food is it chemical or mechanical
grind it
all grind food
they cut in to food like meat but the molars grind and crush food
You chew it with your teeth.
Platypuses do not have teeth; they have grinding plates in their jaws instead of teeth.
Molars, the teeth in the back of your mouth.
chew
So they can grind up your food
They are the bicuspids, or premolars.
So they can grind there food down and swallow it.
I dont know....... :I