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Cardiac cycle diagram?

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    I'm revising for OCR Gateway Triple Biology, and was wondering if anyone knows any websites with a fairly simple diagram of the cardiac cycle (a heartbeat) that I can label? Any help would be much appreciated! (:
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    Hi,
    I'm doing that syllabus too
    By cardiac cycle, did you mean a picture of an ECG?
    If so, try this: http://www.vanth.org/vibes/images/normalECG2.PNG
    [so P - atria contracting, QRS - ventricles contracting, T - recovery? I think anyway]

    If not, clarify for me and I'll see if I've come across one before?
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    (Original post by tpepperoni)
    Hi,
    I'm doing that syllabus too
    By cardiac cycle, did you mean a picture of an ECG?
    If so, try this: http://www.vanth.org/vibes/images/normalECG2.PNG
    [so P - atria contracting, QRS - ventricles contracting, T - recovery? I think anyway]

    If not, clarify for me and I'll see if I've come across one before?
    Ah thanks, that's a helpful diagram but I was thinking more about diagrams of the actual heart as it pumps - as in, showing the atria contracting and the blood being forced into the pulmanory artery (:

    Haha that made me sound like I nkow what I'm doing - I actually just copied that out of my CGP revision guide
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    Ooh, I'm revising B5 at the moment as well. I've only got a bit of B5 left.
    I've done most of B4. But I've got B6 left.

    How much have you guys done/got left?
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    ^ I've done them all once, need to go through again before friday though!



    Ah thanks, that's a helpful diagram but I was thinking more about diagrams of the actual heart as it pumps - as in, showing the atria contracting and the blood being forced into the pulmanory artery (:

    Haha that made me sound like I nkow what I'm doing - I actually just copied that out of my CGP revision guide
    Ohh right, sorry, my bad =P

    Do you mean like this:



    that's the one I'm using, it's from my study guide =P

    [where it says to lungs = pulmonary artery, from body = vena cava, to body = aorta, from lungs = pulmonary vein]

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Updated: June 9, 2009
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