2. Use your text to label each organ of the digestive system. (page 227) Color each organ a different color. (If you do not have color pencils, you will have to do later.) "The Digestive Process Begins" Read the article on the back of diagram. Read the questions. Go back to the article and highlight the answer as you find each one. Write the answer. Write the number of the question beside the highlighted passage.

3. Functions of the Human Digestive System 1. Breakdown of food particles into nutrients that are able to be used by the body. 2. The absorption of nutrients and water. 3. The elimination of solid waste.

4. Use the directions provided to complete a function chart on each of the organs of the human body. The information needed begins on page 227 of the textbook. EX:

5. These functions can be broken down into four separate stages or processes. 1. Ingestion 2. Digestion 3. Absorption 4. Elimination Mechanical Chemical https://www.youtube.com/watch?v=_QYwscALNng

6. Ingestion consumption of a substance by an organism; occurs in the mouth

7. Digestion Chemical - breakdown of food using saliva and other gastric acids; occurs in the mouth, stomach, and small intestine Mechanical - physically breaking down food into smaller pieces; occurs in the mouth and stomach

8. Absorption Nutrients and water move into the blood stream; occurs in the small intestine and large intestine

9. Elimination waste products from digestion are removed from the body; occurs in the rectum and anus

10. Rectum Anus

11. waves of muscle contractions that move food through the digestive system esophagus, stomach, small intestine, large intestine, rectum, anus finger-like projections in the small intestine that increase surface area so that nutrients can be absorbed small intestine stomach and small intestine thin, watery substance created in stomach