| A | B |
|---|
| Identify the pathway food travels through the digestive system. | Mouth, esophagus, stomach, small intestines, large intestines, rectum, anus |
| Identify four places peristalsis is used. | Throat, stomach, small intestines, large intestines |
| What is the purpose of villi? | To increase the surface area so food can be absorbed faster in the small intestines |
| How does the liver assist in the digestion process? | Produces bile to break down large fat particles |
| Identify the purpose of the digestive system. | To break down food into simpler substances for use by the body |
| How does the pancreas assist in the digestion process? | Produces pancreatic juices to break down proteins, starches, and fats |
| What is the purpose of the epiglottis? | To protect the windpipe from unwanted objects |
| How is pepsin used? | To break down food in the stomach |
| What are two ways food is broken down? | Mechanical (chewing) & chemical (enzymes) |
| What enzyme found in the mouth breaks down starches? | Pytalin |
| Where are villi found? | Small intestines |
| Where is most water absorbed? | Large intestines |
| Where is the first site of chemical digestion and what causes it? | Mouth; saliva (pytalin) |
| Where are most nutrients absorbed? | Small intestines |
