Biology

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  • Created by: keeleey99
  • Created on: 13-04-15 19:03
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  • Keeping Healthy
    • Malnutrition
      • Condition caused by unbalanced diet, resulting in deficiency or excess of nutrients.
    • Seven Food Types
      • Carbs
        • - Carries out respiration for immediate energy
      • Fibre
        • - Helps digest    - Prevents constipation
      • Minerals
        • - Strengthens bones               -Produces red blood cells which transport oxygen
      • Vitamins
        • - Prevent diseases and conditions e.g scurvey.
      • Protein
        • - Build             muscles         - Renew cells - Grow and repair
      • Water
        • - Keeps               hydrated          - Part of the transport system
      • Fats
        • - Helps store energy and insulation
    • Metabolic Rate
      • Rate at which all chemical reactions occur
      • Rate for burning calories
      • Factors affecting metabolic rate
        • Food intake
        • Amount of exercise
        • Age
        • Inherited factors
        • Proportion of muscle and fat
    • Different people need different amounts of energy
      • Pregnant women needs more energy than normal as she is providing for two
      • A rugby player needs more energy than an office worker because he works it off more frequently and quicker
      • Energy intake more than needed
        • Become obese
          • Arthritis
          • Diabetes
          • High blood pressure
          • Heart disease
            • Diabetes
      • Energy intake not enough
        • Anorexia
    • Pathogens & Disease
      • Pathogen - bacterial virus/disease caused by microorganisms
        • Virus in your body - then they reproduce
          • Damage tissues
            • Bacteria produce toxins which make you feel ill
        • Bacteria produce toxins which make you feel ill
      • Role of white blood cells
        • Ingest pathogens, break them down
        • Produce antibodies which destroy pathogens
        • Produce antitoxins which cancel out toxins released by pathogens

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/Lucas/Austin/

Hi, I was trying to rate this resource as 5 star but I accidentally pressed 3 stars...I apologise, it didn't let me change it!

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