Term
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Definition
| the mechanical and chemical breaking down of food into smaller components that can be absorbed into the blood stream. |
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Term
| What is the roe of the stomach in the digestive system? |
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Definition
| Churning and mixing with secreted water and acid, creating environment for protein digestion. acid also kills foreign bacteria and other pathogens in food. |
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Term
| What is the role of the pancreas in the digestive system? |
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Definition
| Secretion of lipase, amylase and protease into the small intestine in response to eating a meal. |
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Term
| What is the roe of the gall bladder in the digestive system? |
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Definition
| Storage and regulated release of bile. |
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Term
| role of the mouth in the digestive system: |
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Definition
| Mechanical digestion of food by chewing and mixing with saliva |
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Term
| roe of small intestines in digestive system |
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Definition
| Final stages of digestion of lipids, carbohydrates and proteins |
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Term
| role of large intestine in digestive system: |
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Definition
| Re-absorption of water and formation and storage of feces. |
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Term
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Definition
| The involuntary contraction of the circular and longitudinal layers of the small intestine, to push down food and mixt it with enzymes. |
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Term
| What is the function of villi in the small intestine |
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Definition
| to increase surface area, to increase absorption of nutrients. |
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Term
| Define absorption, in the small intestine |
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Definition
| when food passes through the epithelial cells lining the small intestine into the blood stream. |
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Term
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Definition
| When food is broken down (digested) and reassembled in a form that is suitable for the human body to digest. |
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Term
| Where in the digestive system is starch digested? |
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Definition
| Starch molecules cannot pass through membranes so must be digested in the small intestine to allow absorption. |
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