You use at least 4 muscles to chew; the one you're probably looking for is the masseter. It's assisted by the temporalis and the medial and lateral pterygoids to complete the grinding. Of course there are other muscles that help too, like your tongue and cheek muscles.
Four muscles: Masseter, Medial Pterygoid, Lateral pterygoid and Temporalis
The mechanical shredding and crushing of food (together with the mixing in of salivary amylase to start digestion) is mastication.
Cud. Cows regergitate grass and it is call cud. Hence cows chew their cud.
Chiclephobia
heart muscle
It is Chewing Tobacco.
muscle tone
Ill-mannered. Disgusting. Unappetizing. Gross. Public, open-mouthed mastication is an unsightly thing to witness no matter what you call it.
If you are asking why they call it that, it could be because some people look like like they are chewing their cud while they are chewing gum. Cud it regurgitated feed that the cow then rechews.
The muscle that cover the heart is myocardium
It's called CHEWING.
Cardiac muscle is the muscle of the heart. Cardiac muscle is involuntary and straited.This muscle is also known as myocardium.
Errector Pilli Muscle