| Method |
Precise Learning Objective |
Linked |
Question / Activity
(Designed for maximum working out) |
Stepping Stones |
Pitstop Check
(Thinking Map) |
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The digestive system is an example of an organ system in which several organs work together to digest and absorb food. |
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Why is the digestive system an example of an organ system? Identify the organs of the digestive system, the order and the role of each organ and which enzymes are created in each. |
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Students should be able to relate knowledge of enzymes to Metabolism. |
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How do enzymes relate to metabolism? |
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The products of digestion are used to build new carbohydrates, lipids and proteins. Some glucose is used in respiration. |
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What are the products of digestion used for? |
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Bile is made in the liver and stored in the gall bladder. |
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Where is bile made and stored? |
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[Bile] is alkaline to neutralise hydrochloric acid from the stomach. |
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What does bile do with the stomach acid? |
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[Bile] also emulsifies fat to form small droplets which increases the surface area. |
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What does bile do with fats? |
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The alkaline conditions and large surface area increase the rate of fat breakdown by lipase. |
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What two factors increase the rate of fat breakdown by lipase? Describe the role of bile in aiding digestion.
Explain why emulsifying fats makes digestion more effective
E/W - Describe how a burger is broken down into fatty acids, glycerol, amino acids and sugars in the blood. |
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