There are two sphincters, one at the end of the esophagus / top of the stomach, and the second at the bottom of the stomach / beginning of the small intestines, which keep digestive contents moving downward through the beginning of the digestive tract.
Contraction of smooth muscles to carry contents through the digestive tract. Examples are in the esophagus and small intestine.
The structure being described is the alimentary canal, commonly known as the digestive tract. It has a core of liquid, which includes food and digestive juices, and is surrounded by a tension-resistant sheath of longitudinal and circular muscles that help move the contents along the digestive system through peristalsis.
smooth muscles
Sphincter Muscles
no
yes. The smooth muscles (e.g. in the digestive tract) are involuntary.
Involuntary or smooth muscles.
The muscles of the digestive system are smooth muscles.
The digestive system comprises of organs that work together in order to ensure that food is properly processed through the body. Examples of such organs include the stomach and the intestines.
The digestive system uses muscles to digest food. For example, stomach muscles help to break down food.
The digestive system uses muscles to digest food. For example, stomach muscles help to break down food.
One example of involuntary muscles would be in the digestive system, where muscles in the stomach churn food.