What Is the Function of the Sphincter Muscles?

Answer

Sphincter muscles are of many different types and their main purpose is to relax and contract to allow passage and restrict some from moving around the body. They usually allow the most nutritive to pass through and prevent the unwanted materials that might have not been properly digested or cleaned.
Q&A Related to "What Is the Function of the Sphincter Muscles?"
The Function of the Sphincter is that it helps keep food that has been swallowed where it should be--in the stomach
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The sphincter maintains constriction of a body passage or orifice that
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Two outlet valves called sphincters control the urethra. The internal sphincter is a ring of muscle that is involuntary in nature. It holds the neck of the bladder in place and opens
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The functions of the sphincters are so the food doesn't go where it's not supposed to. The cardiac sphincter prevents food from going back up in the esophagus. The pyloric sphincter
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