food and nutrition

    Cards (12)

    • food and nutrition
    • nutrition is the process by which an organism obtains nutrients from its environment
    • the main function of nutrition is to maintain life, growth and development
    • a nutrient is any substance that provides nourishment essential for growth, maintenance, repair or energy production.
    • a balanced diet contains all the essential nutrients needed for good health
    • carbohydrates are made up of carbon, hydrogen and oxygen atoms
    • proteins - amino acids
    • micronutrients are needed in small quantities (vitamins, minerals)
    • carbohydrates - sugars, starches and fibre
    • macronutrients are required in large amounts (carbohydrates, proteins, fats)
    • a balanced diet contains all the essential nutrients that are needed for good health
    • water makes up about 60% of our body weight
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