Critical Thinking Activities - Chapter 43

Question 1. Sometimes a section of intestine must be removed when it is found to be cancerous. Which would most adversely affect the functioning of the total digestive system: the loss of one foot of duodenum of the lower small intestine or of the large intestine? Why?

Question 2. Although we have developed artificial kidneys and hearts, there really is no machine that can function as an artificial liver. Why is it so difficult to replicate all of the functions of the liver?

Answers are available to instructors in the Instructor's Manual.
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