Smiling uses the most facial muscles.
War
Some chemical digestion of carbohydrates occurs in the mouth with salivary amylase. Most chemical digestion occurs in the duodenum of the small intestine.
it does not hurt but does have a lot of pressure on your mouth
Because It Has A Lot Of Muscle And You Taste With It >>
People don't say not to speak with your mouth open, they say not to eat with your mouth open.no
A lot
the heart
In rugby when you are pushing against each other( in a rugby scrum) your muscles contract but stay the same length and this is isometric contraction. Even though you are using a lot of force your muscles stay the same length.
If you have lots of muscle, why would you be concenred with losing it?
Yes it can, it uses a lot of leg muscle so obviously!
A comb A cog
yes