10. Nutrition
Nutrition involves the processes by which living organisms obtain and utilize food to sustain life and promote health. The chapter covers modes of nutrition, types of nutrients, and their roles in the human body. A balanced diet, consisting of a variety of food components, is crucial for maintaining health and preventing deficiency diseases.
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What we have learnt
- Nutrition is vital for energy provision, growth, and bodily function.
- There are two main modes of nutrition: autotrophic and heterotrophic.
- Macronutrients and micronutrients each play significant roles in the body.
Key Concepts
- -- Autotrophic Nutrition
- A mode of nutrition where organisms produce their own food using sunlight or inorganic substances.
- -- Heterotrophic Nutrition
- A mode of nutrition in which organisms depend on other organisms for food.
- -- Macronutrients
- Nutrients required in large amounts, including carbohydrates, proteins, and fats.
- -- Micronutrients
- Nutrients required in smaller amounts, such as vitamins and minerals.
- -- Balanced Diet
- A diet that includes all essential nutrients in the right proportions to maintain health.
- -- Deficiency Diseases
- Health conditions that arise from a lack of essential nutrients.
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