The mouth: the tongue wraps around the grass, and the lower incisors "chop" the grass as the tongue pulls it into the mouth. The grass is then pushed to the back of the mouth, chewed a little bit, then swallowed.
What's body parts of the cow used for getting and eating it's food
Mouth!
their paws
cheeseburgers!
they use it to build body parts and make cells
your body digests food which turns it in to energy that goes through your bloodstream to all parts of your body
, beak ...
mouth or gills
Its balls
the ears
They use their strong claws to dig burrows and to find their food.
No such things exist on a cow. What "special" body part and/or movement a cow has isn't special to cattle in general; the same things can be found in related bovines like bison, buffalo, guars, and yaks.