The long continuous tube that is the digestive tract is about ________ in length.
A. 3 meters
B. 9 meters
C. 5 meters
D. 12 meters
(See answer below)
... and into the esophagus, a tube that ... of food through the entire length of the alimentary tract ... The whole digestive system is around 12 meters long. [www.answers.com/topic/digestion]
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