Control of the cardiac cycle

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How is the cardiac cycle controlled? (5 marks)

  • The heart is myogenic meaning that in controls it controls itself instead of the brain.
  • The SAN in the right atrium sends a wave of electrical impulse causing the atria to contract
  • Non-conductive tissue in the…


Bethany Cunningham


This is great for the marks to be written down, good luck for the exam!



Thank you! You too :)

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