Ileum is about _ long:
Correct answer: D. 3.6 meters
- A. 3.6 centimeters
- B. 3.6 mllimeters
- C. 3.6 inches
- D. 3.6 meters
- E. 3.6 klometers
Explanation
The ileum is about 3.6 meters (11.5 feet) long (or about three-fifths the length of the small intestine) and extends from the jejunum (the middle section of the small intestine) to the ileocecal valve, which empties into the colon (large intestine).
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The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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