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Set 2
| Question | Answer |
|---|---|
| What is the main function of the digestive system? | To break down food into nutrients the body can absorb and eliminate waste |
| What are the two types of digestion? | Mechanical digestion and chemical digestion |
| What organ starts mechanical digestion of food? | The mouth, it starts with mastication |
| Which enzyme in saliva begins carbohydrate digestion? | Salivary amylase |
| What is the role of the esophagus? | it transports food from the mouth to the stomach |
| Which stomach cells secrete hydrochloric acid? | Parietal cells |
| What is the function of bile and which organ produces it? | Bile emulsifies fats; it is produced by the liver and stored in the gallbladder |
| What is the role of the large intestine? | It absorbs water and electrolytes and forms feces |
| What are villi and microvilli? | They are finger like projections in the small intestine that increase surface area for absorption |
| What are digestive enzymes and what do they do? | They are proteins that catalyze the breakdown of carbohydrates, proteins, and fats into absorbable forms |