Ch.15 Digestion & Nutrition
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Digestion is the mechanical and chemical breakdown of foods and the absorption of the resulting nutrients by cells. T/F? | True
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| The mouth, pharynx, esophagus, stomach, and large and small intestines make up the ______________ _________ of the digestive system. | Alimentary canal
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| The salivary glands, liver, gallbladder and pancreas are considered __________________ _____________. | Accessory Organs
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| The layer of the wall of the alimentary canal that is formed of surface epithelium and protects underlying tissue while carrying on absorption and secretion is the | Serosa
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| The layer of the alimentary tube that keeps the outer surface of the alimentary tube moist and slippery is the ______________ | Serosa
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| The material that covers the crown of the teeth is ____________. | Enamel
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| Teeth that are chisel-shaped and whose function is to bite off pieces of food are __________. | Incisors
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| Function of saliva is to begin digestion of protein. T/F? | False
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| The salivary glands that secrete amylase are the _____________. | Parotid
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| During swallowing, muscles draw the soft palate and uvula upward to __________________. | Separate the oral and nasal cavities
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| When food enters the esophagus, it is transported to the stomach by a movement called ___________. | Peristalis
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| The area of the stomach that acts as a temporary storage area is the _________________. | Fundic region
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| The chief cells of the gastric glands secrete ___________________. | digestive enzymes
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| The digestive enzyme pepsin secreted by gastric glands begins the digestion of ____________. | Protein
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| The intrinsic factor secreted by the stomach aids in the absorption of ____________ ___________________from the small intestine. | Vitamin B12
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| The presence of food in the small intestine ___________ gastric secretion. | inhibits
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| The semifluid paste formed in the stomach by mixing food and gastric secretion is _____________ | Chyme
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| The function of the gallbladder is to _____________ and __________ bile | concentrate and store
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| The gallbladder is stimulated to release bile by the hormone _________________. | Cholecystokinin
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| Function of bile is _____________________, ________________, and ________________. | Emulsify fat globules, absorb fat, and absorb fat-soluble vitamins.
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| Portions of the small intestine: _________________, ___________, and ___________________. | duodenum, jejunum, ileum
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| The velvety appearance of the lining of the small intestine is due to the presence of ____________________. | villi
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| The small intestine absorbs __________ of the products of digestion. | most
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| Digestive enzymes and mucus are secreted by the small intestine. T/F? | True
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| Peristaltic rush in the small intestine results in ______________. | diarrhea
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| The small intestine joins the large intestine at the _____________. | cecum
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| The only significant secretion of the large intestine is ___________. | mucus
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| The only nutrients normally absorbed in the large intestine are ____________________ and ___________________. | electrolytes and water
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