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THE HEART

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GCSE Biology (The Heart) Mind Map on THE HEART, created by 9arush on 07/08/2013.
9arush
Mind Map by 9arush, updated more than 1 year ago
9arush
Created by 9arush over 11 years ago
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Resource summary

THE HEART
  1. Coronary Artery
    1. The coronary artery supplies the heart with oxygen & nutrients
      1. CHD
        1. when fatty deposits in the artery make the lumen smaller
      2. The heart beat
        1. when the heart muscle contracts it is in SYSTOLE
          1. When the heart muscle relaxes it is in DIASTOLE
          2. General
            1. The heart is made of Myogenic muscle
              1. This means it contracts by itself
              2. the hearts pacemaker initiates contractions due to electrical impulses
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