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Discuss: The Digestive System and How Digestion Occurs

Task: Complete the Human Digestion activity located at http://corptrain.phoenix.edu/axia/sci241/sci241-digestivetract.html

After, do the following: Describe the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. Be sure to include descriptions of other organs or components of the digestive system, including:
- Large intestine
- Mouth
- Small intestine
- Stomach

Solution Preview

Digestion begins when the saliva glands come into contact with food. The food enters the mouth, where the saliva breaks down the food when you chew it with your teeth transforming it into bolus and then you swallow it. The organs of the digestive system contain a layer of muscle that enables their walls to move. Food moves from one organ to the next through muscular action called peristalsis.

The first major muscle movement occurs when food or liquid is swallowed. Although you are able to start swallowing by choice, once the swallow begins, it becomes involuntary and proceeds under the control of the nerves. Swallowed food moves from ...

Solution Summary

In about 410 words, this solution describes the path food follows through the digestive system and how digestion occurs in each of the following parts of the digestive system. For example, this response details the three main functions of the stomach and how this influences the rest of the organs involved with digestion. One reference is also included.

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