Science Year 8 Cambridge Presentation Powerpoint Unit 2 Part 1

The document discusses nutrients and balanced diets. It identifies the seven main nutrient groups needed for a healthy human diet: carbohydrates, proteins, lipids, minerals, vitamins, dietary fiber, and water. It explains that a balanced diet contains the correct amounts of all necessary nutrients for healthy growth and activity, while nutritional deficiencies or imbalanced diets can lead to problems like anemia,...

The document discusses nutrients and balanced diets. It identifies the seven main nutrient groups needed for a healthy human diet: carbohydrates, proteins, lipids, minerals, vitamins, dietary fiber, and water. It explains that a balanced diet contains the correct amounts of all necessary nutrients for healthy growth and activity, while nutritional deficiencies or imbalanced diets can lead to problems like anemia, goiter, rickets, or scurvy. The document also notes that too little food can cause starvation and too much food can lead to obesity.