WS+Digestive+Questions

1. Describe in you words the processes that occur in the digestive system (ingestion, digestion, movement, absorption, elimination)** Ingestion is when you take food in through your mouth. Digestion is either mechanical or chemical and is when food is divided into pieces the can be acted on by the digestive enzymes. Food moves through the GI track towards the stomach. Absorption occurs as unit molecules produced by digestion cross the wall of the GI track, absorbing nutrients. Then Elimination of the molecules that cannot be digested is needed, the eliminated wastes comes out the anus
 * __8.1 Overview of Digestion__

1. Describe the MECHANICAL and CHEMICAL digestion that occurs in the mouth.** the teeth and the jaws chew the food while the saliva chemically starts to break down the food and pushes the food toward the stomach
 * __8.2 First Part of the Digestive Trac__t

it occurs because of acid reflux, which is when acid from your stomach rises into your esophagus causing a burning feeling.
 * 2. What is heartburn?**

is when bacteria metabolize sugar and gives off acid from starts to erode teeth.
 * 3. What is a dental cavity? (What causes it?)**

1. What are the functions of the stomach and how is the wall of the stomach modified to perform these functions?** the stomachs main function is to store food while starting the digestive system. The oblique layer allows the stomach to stretch and break down food
 * __8.3 Stomach and Small Intestine__

its jobs is to absorb any remaining vitamins or any other molecules and protiens
 * 2. What are the functions of the small intestine and how is the wall of the small intestine modified to perform these functions?**

it is being allergic to milk or dairy products. The primary sugar in milk.
 * 3. What is lactose intolerance? What causes it and what are the symptoms?**

1. What are the three main accessory organs and how do they assist the digestive process?** pancreas- produces enzymes that eliminate bile and other waste gallbladder- it is the center where bile is sent
 * __8.4 Three accessory organs.__

when liquid stored in the gallbladder and it turns to a solid like a stone
 * 2. What is a gallstone?**


 * 3. What is hepatitis?

4. What is cirrhosis?

__8.5 Large Intestine__ 1. What is the function of the large intestine?

2. Briefly describe the disorders of the large intestine: diarrhea, constipation, diverticulosis, hemorrhoids, IBS, IBD, polyps, cancer.**