Metabolism - B1

I hope you enjoy :) I am using a core science AQA book, but in my school i am currently studying OCR and it is the same information just different exam board providing the questions. I am doing mind-maps of all of B1, B2, B3, B4, P1, P2, P3, P4, C1, C2, C3, C4 so i hope you use them as resources. :) 

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  • You need energy to fuel the chemical reactions in the body that keep you alive.
    • These reactions are called your metabolism, and the speed at which they occur is your metabolic rate.
    • Metabolic rates
      • there is slight variations in the resting metabolic rate of different people
        • eg. muscle needs more energy then fatty tissue, which means people who have more muscle then fat have a higher.
          • However physically bigger people are likely to have a higher metabolic rate than smaller people, the bigger you are, the more energy your body needs to be supplied with because they have more cells.
            • Exercise can boost your metabolic rate because it builds muscle.
              • When you exercise, you need more energy so your metabolic rate goes up during exercise and stays high for sometime after you finish.


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