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Grade 7 Health Test
Digestive System
| Question | Answer |
|---|---|
| What type of digestion are the teeth responsible for? | Mechanical or physical digestion |
| What is the name of the flap of tissue that prevents food from entering the trachea? | epiglottis |
| What is the wavelike contracting and relaxing of muscles called? | peristalsis |
| What is the name of the acid in the stomach? | hydrochloric acid |
| Where are villi found? | small intestine |
| Where are nutrients absorbed? | small intestine |
| What keeps food in the stomach until it is ready to leave? | the sphincters (rings of muscles) |
| where is bile made? | liver |
| Name one enzyme. | maltose, amylase, Protease or Lipase, Renin, Pepsin |
| Where is bile stored? | gall bladder |
| what are carbohydrates (starches) broken down into by digestion? | sugar (simple molecules) |
| What are proteins broken down into? | amino acids |
| What are fats broken down into? | fatty acids |
| Where does chemical digestion begin? | The mouth |
| What is a bolus? | A ball of food |
| Where does chemical digestion end? | small intestine |
| What is the function of the saliva? | It moistens food |
| What is chyme? | A creamy white liquid that passes from stomach to small intestine. |
| What is the function of bile? | It emulsifies fat & neutralizes the acid from the stomach. |
| What are enzymes? | Organic chemicals that speed up rates of reaction. |
| Where is food mixed with gastric juice? | salivary glands |
| Where is bile produced? | liver |
| Area that is lined with many finger like villi | small intestine |
| where does absorption of food take place? | small intestine |