Unit 10: Digestive System

5 Written Questions

1. enzyme - pepsin; has glands that release mucus, hydrochloric acid, etc
2. secretes enzymes that help break down carbohydrates, proteins, and fats; produces hormones to regulate blood sugar, produces sodium bicarbonate
3. does nothing
4. portion of digestive tract that receives food from mouth
5. flap made of cartilage in the throat behind the tongue & in front of the larynx; separates breathing & eating tube

4 Multiple Choice Questions

1. food tube connected to stomach; peristalsis - contractions of smooth muscle around esophagus
   1. appendix
   2. stomach
   3. esophagus
   4. pharynx
2. where most chemical digestion takes place; absorbs nutrients; villi helps absorb nutrients
   1. gall bladder
   2. large intestine
   3. epiglottis
   4. small intestine
3. they secret saliva; amylase - enzyme that breaks chemical bonds
   1. salivary glands
   2. pancreas
   3. pharynx
   4. gall bladder
4. stores bile
   1. liver
   2. pancreas
   3. salivary glands
   4. gall bladder

4 True/False Questions

1. large intestine → removes water from material

   True        False

2. liver → produces bile - bile acts like a detergent

   True        False

3. rectum → teeth tear and crush the moistened food into a fine paste until it is ready to be softened; digestive enzymes begin to break food molecules into smaller pieces

   True        False

4. mouth → produces bile - bile acts like a detergent

   True        False