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Stephanie Doria
Digestive System
| Question | Answer |
|---|---|
| What are the 4 phases of processing food in your body? | Ingestion, digestion, absorption and elimination |
| What is digestion? | The process that breaks down food into small molecules so they can move into the blood stream |
| What does food pass through? | Digestive tract |
| What are the major organs of the digestive tract? | Mouth, esophagus, stomach, small intestine, large intestine, rectum and anus |
| What are the 3 oragans that food does not pass through, but store enzymes & chemicals that help break down food as it passes through the digestive tract? | Liver, pancreas and gallbladder |
| What are enzymes? | Molecules that speed up the rate of chemical reactions in your body |
| Where does mechanical digestion take place? | It takes place when food is chewed and mixed in the mouth and churned in your stomach |
| Chemical digestion uses acids and enzymes to break down large molecules of food into smaller ones. Where does this take place? | Mouth, stomach and small intestine |
| What is the watery substance in your mouth called? | Saliva |
| What does saliva contain? | Mucus and salivary amylase |
| What does salivary amylase do? | It starts the breakdown of food from a starch to a sugar |
| How much saliva is produced by your body each day? | 1.5 liters |
| How long does it take for food to pass through the esophagus? | Four to ten seconds |
| How may ways does the stomach digest food? | Two - mechanically and chemically |
Created by:
Sdoria