Lesson 13.2 Crossword


Across

2.the breakdown of food into smaller pieces, thus increasing its surface area
5.the portion of the digestive tract where most of the chemical breakdown of food, food absorption, and water absorption occurs; the longest segment of the GI tract
7.the mixture of food and digestive juice in the stomach and duodenum
9.the portion of the digestive tube between the small intestine and the anus; its major segments are the cecum, colon, rectum, and anal canal
10.the reservoir in which food is broken down mechanically and chemically before it enters the small intestine
12.the passage leading from the mouth to the anus through the pharynx, esophagus, stomach, and intestine; gastrointestinal tract
13.the breakdown of large fat particles into much smaller particles, aided by bile
14.the movement of food through the gastrointestinal tract that is stimulated by swallowing at the pharynx and peristalsis, muscular contractions that move food through the rest of the GI tract
15.soft tissue that covers the necks of the teeth, the mandible, and the maxilla; also called the gum

Down

1.the digestive organ that stores bile and delivers it to the duodenum when needed
3.the discharge of feces from the rectum
4.the muscular tube that connects the pharynx and stomach
6.the movement of food molecules from the small intestine into the blood
8.the intake of food and liquids via the mouth
11.longest segment of the large intestine

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