Anatomical structures of the digestive system

part 1

Annotated diagram of the digestive system

Step 1 Draw a diagram.

Using the drawing tools provided by your word-processing program, draw a diagram that traces the pathway and physiological processes of a bite of food through the digestive system. Annotate each step in the digestive process with a brief paragraph describing what happens in the step.

Be sure to include ALL the following topics:

• The organs of the digestive system (This includes the alimentary canal AND the accessory organs of digestion)
• The actions of the digestive system
• Propulsion
• Absorption
• Chemical digestion
• Mechanical digestion

part 2

Explore the Internet and research one digestive system disease or disorder. Use the image search feature on a browser such as Google to find an image that shows a sign or symptom of the disease or disorder you have selected. Be sure that you can explain what the image is showing. Identify all anatomical structures in the image as appropriate. Discuss whether this disease or disorder is something that is more or less prevalent within a specific age group across the lifespan. Also, make a brief statement about how the homeostasis of the body can be impacted by this disease. What is happening in the digestive system that is causing an imbalance in the body?