What is Nutrition Class 10?

Nutrition is the process by which living organisms take in food and convert it into energy for growth, repair, and other life functions. Food provides essential nutrients like carbohydrates, proteins, fats, vitamins, and minerals. Nutrition involves steps like intake, digestion, absorption, and assimilation of food.

Types of Nutrition:

Heterotrophic Modes of Nutrition:

• Holozoic: Ingestion and digestion of solid food (e.g., humans)
• Saprophytic: Absorbing food from dead matter (e.g., fungi)
• Parasitic: Living on a host and feeding on it (e.g., lice)

Importance of Nutrition:

• Gives energy for daily activities
• Helps in growth and repair of cells
• Boosts immunity and body function