Cardiac Cycle

Description

A Levels Biology 1 (Lifestyle, Health and Risk) Mind Map on Cardiac Cycle, created by millie.moo96 on 15/03/2014.
millie.moo96
Mind Map by millie.moo96, updated more than 1 year ago
millie.moo96
Created by millie.moo96 about 10 years ago
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Resource summary

Cardiac Cycle
  1. 1
    1. Atrial Systole
      1. Atria contract
        1. Ventricles are relaxed
          1. Atrioventricular valves are open
            1. Semi-lunar valves are closed
              1. Increased pressure, reduced volume.
            2. 2
              1. Ventricular Systole
                1. Ventricals contract
                  1. Atria releax
                    1. Atrioventricular valves closed
                      1. Semi-lunar valves open
                        1. Increased pressure in ventricles
                      2. 3
                        1. Ventricular Diastole
                          1. Atria relaxed
                            1. Ventricles relaxed
                              1. Atria start to refill with blood
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