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Epiglottis
Circular muscles are called sphincters, there are many different sphincter muscles in the human body.
Liver
to the brain
GI=gastrointestinal tract. In other words everything a bit of food passes from you start chewing it until it leaves your body.
the lips orbicularis oris
Epiglottis
Epiglottis
Liver
Describes nutrition that bypasses the GI tract
liver
Circular muscles are called sphincters, there are many different sphincter muscles in the human body.
Liver
to the brain
The stomach has the thickest walls and the strongest muscle in all the GI tract organs. : )
The GI (Gastrointestinal) tract or the Digestive Tract
The anus