Which of the following statements about the colon is NOT true?
A. The colon is active in water absorption, removing about 95% of the water that enters it and returning it to the bloodstream.
B. Feces consists of about 25% water and 75% solids that are mainly bacteria from the intestinal tract.
C. Insufficient absorption of water can result in diarrhea that may be life-threatening.
D. Cells in the walls of the large intestine absorb vitamin K that is produced by bacteria resident in the colon.
E. The last section of the colon is the rectum, which terminates in the anus.
Answer: B
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