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Digestive System

Mrs. Smuczynski

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Across
1.The first 25 cm of the small intestine where most of our chemical digestion takes place; where bile and pancreatic juice is added to chyme
4.This nutrient is used as the body as a fuel reserve & is changed into fatty acids & glycerol
11.Chemicals (proteins) that start or speed up chemical reactions in the body
12.Occurs when enzymes chemically change food into a form that can be absorbed into the bloodstream
13.The passing of digested nutrients through the walls of the small intestine into the bloodstream
14.Finger-like projections that line the inner walls of the small and large intestine, increasing the surface area for nutrient absorption
17.The tube food moves through from the mouth to the anus; the alimentary canal
19.Another name for the large intestine or bowels; a type of cancer takes this name
20.Chemical produced in the liver to help break down fats; the "soap" of the digestive system
22.Stomach juice made of hydrochloric acid, enzyme (pepsin), & mucus; responsible for the digestion of proteins in the stomach
24.Muscular, mucus-lined tube that contracts & relaxes to move food from the mouth to the stomach
25.Sphincter muscle at the end of the digestive tract that controls the removal of solid wastes from the body here...
27.Muscular contractions that squeeze food & wastes along the digestive tract
30.Heart burn: happens when the sphincter muscle found where the esophagus and stomach meet relaxes allowing partially digested food to move into the esophagus
32.Nutrients that help build & maintain body cells & tissues
33.Dysentary; happens when solid wastes move through the large intestine too quickly and not enough water is removed
34.Last 15 cm (6 in.) of the large intestine; houses feces
35.Mechanical and chemical digestions start here
Down
2.The breaking down of food into smaller pieces by chewing, tearing, grinding, mixing & churning by the teeth, tongue, & stomach
3.Chemical made in the stomach that aids in chemical digestion; also called stomach acid
4.Stool; solid wastes formed in the large intestine & expelled from the body during a bowel movement (BM)
5.Absorbs water and minerals from undigested food forming solid wastes; the last section of the digestive tract
6.Long, narrow, coilded tube divided into 3 sections; duodenu, ileum, jejunum; the main location for digestion and absorption of nutrients into the bloodstream
7.Ball of thoroughly chewed & saliva moistened food that travels to the stomach when swallowed
8.Long, narrow gland found below the stomach & below & between the stomach& the small intestine; secretes enzymes that digest fat, carbohydrates & proteins; makes insulin
9.Circular rings of muscles that control the passage of food through specific parts of the digestive tract; ex. found where esophagus & stomach meet
10.Results when solid wastes move too slowly through the large intestine and too much water is removed making poop hard
15.An enzyme found in saliva and in pancreatic juice that changes starches into simple sugars
16.Reverse peristalsis
18.The main nutrient that provides our cells with the energy (fuel) needed to run our bodies (plural)
21.A thick, slippery, secretion that lines the digestive tract; protects the stomach lining & allows food to move more easily through the digestive tract
22.Small sac that stores bile from the liver & sends it to the small intestine when needed
23.A pulpy mass of partially digested food made from gastric juice mixed with the food we ate
26.Fluid secreted by the salivary glands; made of the enzyme amylase, mucus, and water
28.Produces bile; has 3 lobes; the largest organ in the body second only to the skin
29.Muscular J-shaped organ that churns food, secretes gastric juice & mucus, begins protein digestion, and stores food
31.Open sores on the stomach lining where the layer of mucus has thinned and stomach acids are creating holes

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