Ch.15 Digestion & Nutrition
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Digestion is the mechanical and chemical breakdown of foods and the absorption of the resulting nutrients by cells. T/F?
The mouth, pharynx, esophagus, stomach, and large and small intestines make up the ______________ _________ of the digestive system.
The salivary glands, liver, gallbladder and pancreas are considered __________________ _____________.
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
The layer of the alimentary tube that keeps the outer surface of the alimentary tube moist and slippery is the ______________
The material that covers the crown of the teeth is ____________.
Teeth that are chisel-shaped and whose function is to bite off pieces of food are __________.
Function of saliva is to begin digestion of protein. T/F?
The salivary glands that secrete amylase are the _____________.
During swallowing, muscles draw the soft palate and uvula upward to __________________.
Separate the oral and nasal cavities
When food enters the esophagus, it is transported to the stomach by a movement called ___________.
The area of the stomach that acts as a temporary storage area is the _________________.
The chief cells of the gastric glands secrete ___________________.
The digestive enzyme pepsin secreted by gastric glands begins the digestion of ____________.
The intrinsic factor secreted by the stomach aids in the absorption of ____________ ___________________from the small intestine.
The presence of food in the small intestine ___________ gastric secretion.
The semifluid paste formed in the stomach by mixing food and gastric secretion is _____________
The function of the gallbladder is to _____________ and __________ bile
concentrate and store
The gallbladder is stimulated to release bile by the hormone _________________.
Function of bile is _____________________, ________________, and ________________.
Emulsify fat globules, absorb fat, and absorb fat-soluble vitamins.
Portions of the small intestine: _________________, ___________, and ___________________.
duodenum, jejunum, ileum
The velvety appearance of the lining of the small intestine is due to the presence of ____________________.
The small intestine absorbs __________ of the products of digestion.
Digestive enzymes and mucus are secreted by the small intestine. T/F?
Peristaltic rush in the small intestine results in ______________.
The small intestine joins the large intestine at the _____________.
The only significant secretion of the large intestine is ___________.
The only nutrients normally absorbed in the large intestine are ____________________ and ___________________.
electrolytes and water