题目内容
Between the distal, or far, end of the stomach and the small intestine is the___. The region of the stomach leading into this ___, the___, is important in regulating how rapidly food moves into the small intestine.
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After bile divides fats into tiny particles, the highly active pancreatic enzyme _______digests almost all of them. In this process, fats are usually broken down into two simpler compounds, glycerol (glycerin) and fatty acids, which are more readily absorbable. _______, this enzyme changes starch to sugar. _______, a pancreas secreted enzyme, splits proteins into amino acids, which are small enough to be absorbed through the intestine.
The _____colon passes horizontally to the left. The _____colon, is at the distal end of the ______ colon and leads into the rectum. The ______ colon, extending from the cecum to the upper abdominal area.
To increase the organ’s surface area for this purpose, the mucosa is formed into millions of tiny, fingerlike projections, called_____, which give the inner surface a velvety appearance.
Bile contains ______,_____and ______ . It has a detergent-like effect on fats.
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