becuse your teeth is moving with you chin
your mouth
It is probably natural cause I get them too.
The job of the jaw is to help you chew your food.
The job of the jaw is to help you chew your food.
The muscles in your jaw move your teeth, creating "chewing", and there is something called "enamel" which makes your teeth so hard so they can chew.
You put food in your mouth and your brain tells your muscles to move your jaw bone up and down.
No, it is not because it does not really use the top jaw to move and chew with.
The lower jaw enables us to chew and to speak
It allows you to chew and talk.
chew gum
Horses chew by moving their lower jaw in an oval pattern because their lower jaw is narrower than the upper jaw. As the jaw closes, it moves from one side to the other. As it opens it returns to the original position.
It is your jaw-bone. So it helps you chew your food.