Nutrition

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AS level Biology F212 Mind Map on Nutrition, created by louisemaewhite10 on 24/03/2014.
louisemaewhite10
Mind Map by louisemaewhite10, updated more than 1 year ago
louisemaewhite10
Created by louisemaewhite10 about 10 years ago
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Resource summary

Nutrition
  1. Why do we eat?
    1. provide better health
      1. stronger immune system
        1. ill less often
          1. learn more effectively
            1. stronger
              1. more productive
              2. What is in a balanced diet?
                1. Carbohydrates
                  1. energy
                  2. Proteins
                    1. growth and repair
                    2. Fats
                      1. energy, cell membranes, waterproofing, absorption of fat soluble minerals, electrical/insulation
                      2. Vitamins
                        1. chemical processes
                        2. Minerals
                          1. inorganic elements: normal functions
                          2. Water
                            1. transporting substances, 60 %
                            2. Fibre/roughage
                              1. indigestible, digestive system
                            3. How much?
                              1. Varies
                                1. age
                                  1. level of activity
                                  2. energy intake
                                    1. 57% carbs
                                      1. 30% fats
                                        1. 13% protein
                                        2. Obesity
                                          1. malnutrition> unbalanced diet
                                            1. consuming too much energy
                                              1. fat in adipose tissues
                                                1. excess fat deposition impairs health
                                                  1. location:apple bodies more at risk
                                                2. BMI of 30+ 20%over
                                                  1. BMI mass(kg)/(height m)x2
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