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Digestive System
Bio Test Part 4
| Question | Answer |
|---|---|
| Mechanical digestion | the physical breakdown of large pieces of food into small pieces |
| Chemical digestion | process by which enzymes break down food into smaller molecules that the body can use |
| Esophagus | the tube connecting the mouth to the stomach; receives food when swallowed |
| Stomach | large muscular sac that continues the mechanical and chemical digestion of the food; breaks down and holds food |
| Small intestine | digestive organ in which most chemical digestion and absorption of food takes place; breaks down food with digestive enzyms & digestive acids |
| Large intestine | organ in the digestion system that removes water from the undigested material that passes through it; also called colon; passes waste |
| salivary glands | produce saliva |
| mouth | beginning of the digestive system; receives food |
| pacrease | secretes digestive enzymes into duodenum producing amylase |
| liver | absorbs nutrients from small intestines |
| gallbladder | stores and secretes bile |
| rectum | holds waste until it can be let out |
| anus | holdsthat opens and closes to let waste out |
| What does the pancreas do? | break down fats |
| What does the liver produce? | bile |
| What is the function of the digestive system | break down food & absorb nutrients |
| What do the salivary glands produce? | amylase |
| What is the teeth for? | chewing |
| What is the tongue for? | manipulating food |
| How does the esophagus moves food? | peristalis |
| What is the cardiac sphincter? | it opens from the esophagus |
| What is the fundus? | the top of the stomach |
| What is the rugae? | the folds of the stomach |
| What is the pyloric sphincter? | it opens to the small intestines |
| What 5 parts does the small intestines have? | 1. duodenum 2. jejunum 3. ileum 4. mesentary 5. greater omentum |
| What is the function of the mesentary? | supports the coils |
| What does the greater omentum do? | it hangs like a curtin |
| What is the function of the large intestines? | absorb water |
| What are the 4 parts of the large intestines? | 1. cucum 2. colon 3. rectum 4. anus |
| The cucum is...... what? | pouch-like |
| What does the colon consist of? | -transvers -ascending -descending |
| What is the order of the digestive system? | 1. mouth 2. esophagus 3. stomach 4. small intestines 5. large intestines |
Created by:
sossenkopp
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