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  2. Human nutrition is the process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life. Foods supply nutrients that are critical for human growth.

  3. Nutrition | Definition, Importance, & Food | Britannica

    www.britannica.com/science/nutrition

    Nutrition, the assimilation by living organisms of food materials that enable them to grow, maintain themselves, and reproduce. Food provides materials from which all the structural and catalytic components of the living cell can be assembled. Learn more about nutrients and the nutrient requirements of organisms.

  4. What Are Nutrients and Why Do You Need Them? - Verywell Fit

    www.verywellfit.com/nutrients-what-they-are-and-why-you-need-them-2507078

    All six classes regulate various body functions such as sweating, temperature, metabolism, blood pressure, thyroid function, and many others. When all different functions are balanced, your body is in homeostasis.

  5. Functions of foods - Food and Agriculture Organization

    www.fao.org/.../nutrition/docs/education/resources/Functions_of_foods_3.pdf

    Functions of foods. FACT. Foods are necessary to make the body function well. In particular, they: ° provide energy ° help the growth and repair of the body ° protect the body against illness. Most foods have more than one function. All foods provide energy but some provide more than others. Most foods help the body to.

  6. Healthy diet - World Health Organization (WHO)

    www.who.int/news-room/fact-sheets/detail/healthy-diet

    WHO fact sheet on healthy diet with key facts and information on essential dietary elements, practical advice, salt, sodium and potassium, sugars, health diet promotion, WHO response.

  7. Food | Definition & Nutrition | Britannica

    www.britannica.com/topic/food

    food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion.

  8. Food - Education | National Geographic Society

    education.nationalgeographic.org/resource/food

    Food contains nutrients —substances essential for the growth, repair, and maintenance of body tissues and for the regulation of vital processes. Nutrients provide the energy our bodies need to function. The energy in food is measured in units called calories.

  9. 6 Essential Nutrients: What They Are and Why You Need Them - ...

    www.healthline.com/health/food-nutrition/six-essential-nutrients

    Essential nutrients are compounds the body requires to perform basic functions and grow. These six nutrients must come from food because the body can’t make or produce enough of them.

  10. Nutrition - World Health Organization (WHO)

    www.who.int/health-topics/nutrition

    Nutrition is a critical part of health and development. Better nutrition is related to improved infant, child and maternal health, stronger immune systems, safer pregnancy and childbirth, lower risk of non-communicable diseases (such as diabetes and cardiovascular disease), and longevity. Healthy children learn better.

  11. Food & Nutrition - Healthline

    www.healthline.com/health/food-nutrition

    Food and nutrition are the way that we get fuel, providing energy for our bodies. We need to replace nutrients in our bodies with a new supply every day. Water is an important...