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Q: Which sphincter helps to avoid regurgitation?
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What does the cardiac sphincter do in the human body?

The Cardiac sphincter prevents regurgitation of food from the stomach.

Regurgitation of stomach contents is normally prevented by the actions of the?

lower esophageal sphincter

What is the name of the valve that prevents regurgitation of food from the small intestine back into the stomach?


What role do the sphincter muscles play in digestion?

The lower esophageal sphincter keeps food from coming back up, or vomiting. When you have to vomit, the sphincter opens allowing the food to come back up. There is another sphincter, the pyloric sphincter which leads into the small intestine. Hope this helps!

How does the esophageal sphincter work?

During peristalsis, the esophageal sphincter allows the food bolus to pass into the stomach. It prevents chyme, a mixture of bolus, stomach acid, and digestive enzymes, from returning up the esophagus. An overly loose esophageal sphincter leads to heart burn because the stomach acid "burns" the esophagus. An overly tight esophageal sphincter is known as achalasia and leads to pain on swallowing, regurgitation of food, and cheat pain.

Which sphincter allows for defecation and is under voluntary control?

The external anal sphincter is under voluntary control. You have the urge to defecate because your internal anal sphincter involuntarily opens, but you can keep yourself from going to the bathroom because your external anal sphincter is voluntarily closed. Hope that helps!

What 4 sphincters are associated with the gi tract?

The four bodily sphincters are the: 1. lower esophageal sphincter, or cardiac sphincter (esophagus to the stomach)2. Pyloric sphincter (stomach to small intestines)3. Ileocecal sphincter or valve (small intestines to large intestines)4. Anal sphincter (rectum to outside)

What regulates the passage of food from the esophagus to the stomach?

esophagus helps digest food

The voluntary sphincter is the -----sphincter?

outer anal sphincter

Sphincter found between the esophagus and the stomach?

What is the function of the cardiac sphincter?

Do materials move from the stomach to the small intestine by the cardiac sphincter?

No. The cardiac sphincter part of the stomach (also called the esophageal sphincter of the cardia) regulates how the food moves. This sphincter is close to the beginning of the stomach and it helps prevent gastric reflux back into the esophagus (GERD) or also called "heart burn". The contents of the stomach is a very strong acid.

What is another name for the esophageal sphincter?

cricopharyngeal sphincter