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Cards In This Set
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The process of physically and chemically breaking down food into molecules that can be absorbed into the circulatory system is called
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Digestion
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Which selection best describes the jobs of the large intestines?
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water absorption,
vitamin production from bacteria, &
storage of fecal matter
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The 3 divisions of the small intestine (in order from proximal to distal ends) are the
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Duodenum, jejunum, ileum
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Food passes through the __________ as it leaves the esophagus and enters the stomach
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Esophageal sphincter
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Hi
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Hello
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Which of the following statements of villi are true. You are to choose all statements that are true?:
a. Villi increase the surface area of the small intestine
b. villi are lined with cells that produce acid for the chemical breakdown of food
c. Villi are lined with a single layer of cells to facilitate nutrient absorption
d. Villi are designed to absorb water
e. Villi have a large network of capillaries in their center
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A, c, & e
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Fat molecules that are too large to pass into villi capillaries pass into a structures of the lymphatic system known as
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Lacteals
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What is the order that undigested food travels through the colon?
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Ascending, transverse, descending, sigmoid
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Ascending, transverse, descending, sigmoid
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Insulin
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The coordinated smooth muscle contractions responsible for moving food, chyme, and fecal matter through the digestive tract
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Peristalsis
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Produce vitamins and gasses in the large intestine
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Bacteria
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The region of the small intestines in which the acid chyme is nutralized by buffers from the liver and pancreas
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Duodenum
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Chemically breaks down fat present in chyme
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CCK
(Chol · e · cysto · kin · in)
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Mechanical digestion of food
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Mastication
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A series of folds in the small intestines that contain a vast capillary network for absorbing digested nutrients into the circulatory system
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Villi
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