yes from eating so much grass
To bite grass and get all the nice roots
Oval to a triangular shape, particularly when it's stretched out when it's trying to get a handful of grass you are getting it to eat.
A cow's tongue is rough because it acts as a sand papery grip they use to help them pull up roots, grass, hay and weeds to eat. Their tongue is also used for grooming themselves and other cows.
Not exactly. Though cows do have tastebuds, the rough spots are there for cows to more easily take up roughage and grass into their mouths to chew and swallow.
Cows
No. Cows EAT grass. They do not "have" grass.
cows eat grass
Cows will eat long grass. Haven't you ever heard, "The cow's in the corn?" Corn is a tall grass.
Cows
No. Milk is milk and comes directly from mammals like cows.
Grass is what they eat most of the time