What do sphincter muscles do? a. trigger hormone release. b. control peristalsis. c. secrete digestive juices into the gi tract. d. mix food with saliva. e. regulate the flow of food particles along the gi tract.

Answer is E.

Explanation:

Generally, sphincter are circular or ring - shaped muscles, surrounding the natural opening in the body. They control the movement of substances by opening and closing through expansion and contraction.

There are many sphincter in the body, examples are

* Cardiac sphincter...found at the upper area or portion of the stomach.

* Pupilary sphincter..found in the iris of the eye.

* Glisson's sphincter...controlling the secretion of the gall bladder,pancrease and the liver.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.