Define nutrition, health, nutrients, and food? Specific rile of nutrients in the body

Nutrition – it’s the process where body receives, digests, absorbs, and utilizes food materials to support life functions,, without it, growth, repair and energy can’t happen.

Health – it’s a dynamic condition,, involves physical, mental, and social well-being. not just absence of disease but complete balance in body systems.

Nutrients – these are chemical substances in food,, essential for energy, body structure, metabolism, and regulation. they’re grouped as macro (carbs, proteins, fats) and micro (vitamins, minerals).

Food – it’s any substance, solid or liquid, consumed to provide nutrients. it supports survival,, growth, and good health,, sometimes also adds pleasure or cultural value.

Specific role of nutrients in the body –

• Carbohydrates – main source of energy,, especially for brain, muscles during activity.

• Proteins – used in body repair, enzymes, hormones, immune function,, muscle building.

• Fats – energy storage, insulation, cell membrane structure, help absorb fat-soluble vitamins.

• Vitamins – help metabolic reactions, immune system, vision, skin,, healing.

• Minerals – bone structure (calcium), fluid balance (sodium), oxygen transport (iron), enzyme action (zinc).

• Water – maintains temperature, transports substances, waste removal, lubrication of joints.