Quizlet What is the role of a sphincter? Group of answer choices
a.It regulates the directional flow of gastrointestinal contents.
b.It prevents the movement of food into the trachea.
c.It is a longitudinal muscle that helps segment food.
d.It stimulates enzyme production.

The sphincter are muscles which are responsible for controlling the passage of the food that is not fully digested direct from the stomach to the small intestine.

These are the muscles that will either contract or close or open your passage route .

The common sphincter are found in our stool passage hole which assists us with the excretion of waste materials after digestion has occured , there is also a sphincter that controls our ability to urinate.

There are also sphincter muscles found in the eyes which assist our eye pupil to shut or contract when hit by a bright light .

Quizlet What is the role of a sphincter? Group of answer choices a.It regulates the directional flow of gastrointestinal contents. b.It prevents the movement of food into the trachea. c.It is a longitudinal muscle that helps segment food. d.It stimulates enzyme production.

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Quizlet What is the role of a sphincter? Group of answer choices
a.It regulates the directional flow of gastrointestinal contents.
b.It prevents the movement of food into the trachea.
c.It is a longitudinal muscle that helps segment food.
d.It stimulates enzyme production.