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Digestion
| Question | Answer |
|---|---|
| Digestion | The process by which the body breaks down food into small nutrient molecules. |
| Esophagus | A muscular tube that connects the mouth to the stomach. |
| Peristalsis | Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. |
| Absorption | The process by which nutrient molecules pass through the wall of the digestive system into the blood. |
| Physical Digestion | Food is physically broken down into smaller pieces |
| Chemical Digestion | Food is chemically broken down into nutrients that can be absorbed into the bloodstream. |
| Churns | The stomach ___________ and squeezes the food. |
| Mouth | Food enters the body. Teeth start to break down food mechanically and saliva starts to break it down chemically. |
| Stomach | This bag of muscle stores and breaks down food chemically and physically. |
| Small Intestine | This long tube is 22 feet long! Most chemical digestion and absorption happens here. |
| Liver | where bile is produced |
| Large Intestine | Where water is absorbed into the bloodstream. |
| Rectum/Anus | Solid waste exits the body here. |
| What part of the body stores bile? | gallbladder |
| Where does the digestion of starch begin? | mouth |
| What enzyme is responsible for the digestion of starch? | To absorb water |
| What is the purpose of the large intestine? | Mechanical Digestion |
| Name one organ that has both chemical and physical digestion. | mouth |
| What are enzymes? | Proteins that speed up chemical reactions |
| What is the process called that changes foods into usable body nutrients? | digestion |
| What absorbs nutrients in the small intestine? | villi |
| What type of digestion occurs in the stomach? | Mechanical and chemical |
| Where does food go after it leaves the stomach? | Small Intestine |
| In which organ does most of the chemical digestion take place? | Small Intestine |
| Where does digestion begin? | mouth |
| Explain how physical digestion occurs in the mouth | Teeth grind and physically break down food. |
| Explain how chemical digestion occurs in the mouth. | Amylase in saliva helps break down starches. |
| Where does the waste exit from the body? | Anus |
| Why is a mucus layer necessary to line the stomach? | To protect the stomach from acid. |
Created by:
jfcason
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