the epic coolness of ur mouth
Other types of dystonias include Merge's syndrome (spasms of the jaw muscles when opening and closing of the mouth).
The mouth chew the food first, a muscle at the back of the mouth forces the food down your gullet and the gullet's muscle forces it down into your stomach.
Muscles that elevate the angle of the mouth?
muscles of the mouth
by opening and closing
You can, your throat muscles can contract whether or not your mouth is closed. But I would assume swallowing liquids would be much easier than swallowing solids with your mouth open, for the simple fact that you have less control over the tongue when its not touching the roof of your mouth. (which does play a part when eating).
you put something in your mouth and you pull with your mouth muscles!
The shoulder muscles
Closing the mouth of an inflated balloon helps to keep the air trapped inside. If the mouth is left open, the air can escape and deflate the balloon. Closing the mouth also helps to create pressure inside the balloon, keeping it inflated.
mouth
Actually... YES they CAN! The muscles of their jaws are VERY strong for CLOSING their mouths, but VERY WEAK for OPENING their mouths. This why the average man can hold the croc's mouth closed (once it is already closed) while someone else wraps duct tape around the snout, or the person holding the croc's mouth closed can tape it shut.
The eyes and mouth