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Which one of the following correctly represents the order in which food coming into the body passes through the structures of the digestive system?

Food moves from the mouth to the pharynx, then on to the esophagus, the stomach, the small intestine, and finally the large intestine.

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Which layer of the wall of the alimentary canal contracts to move materials through the canal?

The muscular layer, known as the muscularis externa, contracts to facilitate the movement of materials through the alimentary canal. This layer is made up of smooth muscle that helps propel food and waste products through the digestive system via peristalsis.


What is the involuntary muscle action of alimentary canal?

Peristalsis is the involuntary muscle action of the alimentary canal. It involves wave-like contractions that push food along the digestive tract, allowing for the process of digestion and absorption to occur.


What is the last 6 to 8 inches of the alimentary canal?

The last 6 to 8 inches of the alimentary canal is known as the rectum. It is a part of the digestive system where feces are stored before being expelled through the anus. The rectum has stretch receptors that signal when it is time for a bowel movement.


What is another name for the alimentary canal?

Another name for the alimentary canal is the digestive tract. This system includes the mouth, esophagus, stomach, small intestine, and large intestine, where digestion and absorption of nutrients occur.


What is the exit point of the alimentary canal?

The alimentary canal, also called digestive tract, is the pathway by which food enters the body and solid wastes are expelled. The alimentary canal includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and ends, to answer your question, at the anus.