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Unit Overview: Digestion and nutrition

Lessons:

13 lessons

Healthy diet (Part 1)

This lesson explores the components of a healthy diet and using nutritional labels to determine nutrient content in foods.

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Healthy diet (Part 2)

This lesson looks at what factors affect our daily calorie intake and calculating energy requirements for different activities.

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Unhealthy diet

This lesson describes the effects of a poor diet on the body. We will explore the impact of getting too much or too little of a particular nutrient. This lesson contains images of disease and malnutrition.

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Energy release

This lesson looks at what the body needs energy for and how our bodies release the energy from our foods.

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Carbohydrates

This lesson explores what we mean by carbohydrates and how to chemically test for the presence of these in foods.

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Protein and Fats

This lesson explores what proteins and fats are and how to chemically test for the presence of these in foods.

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Review (Part 1)

This lesson reviews our learning of the topic so far.

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The digestive system

This lesson looks at how our bodies are equipped to digest the food that we eat and why it is necessary. We are going to take a journey through the digestive system, looking at the role of each of the different organs.

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Adaptations of the small intestine

This lesson takes a closer look at how the small intestine is adapted specifically for the absorption of different nutrients from our food.

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Enzymes

This lesson describes the action of enzymes in the digestive system. We will observe a "model gut" experiment and evaluate this model.

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Case study of Rebecca Lancefield

This lesson explores the life and work of revolutionary microbiologist Rebecca Lancefield and how she dedicated her 60-year scientific career to understanding Streptococcus, and other bacteria, which paved the way for modern antibiotics.

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Review (Part 2)

This lesson reviews the digestive system, adaptations of the small intestine, the role of enzymes in digestion and how temperature affects enzyme activity.

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