No digestion takes place in the esophagus.
a. True
b. False
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Q. 2Chemical digestion of fiber begins in the mouth.
a. True
b. False
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Q. 3The digestive system is made up of the gastrointestinal (GI) tractalso called the digestive tractand the liver, pancreas, and gallbladder.
a. True
b. False
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Q. 4The small intestine, while smaller in diameter than the large intestine, is approximately the same length as the large intestine.
a. True
b. False
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Q. 5Essential nutrients are synthesized by the body in amounts sufficient to meet physiological needs.
a. True
b. False
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Q. 6To maintain a healthy digestive system, it is essential to have a bowel movement daily.
a. True
b. False
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Q. 7Lactose intolerance is uncommon in most of the world and exists only among a few populations.
a. True
b. False
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Q. 8Nearly all of our metabolism and physiology are the same as that of our ancestors who lived more than 10,000 years ago.
a. True
b. False
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Q. 9Humans are the only free-living primates that consume cereal grains.
a. True
b. False
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