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    They definitely didn't say artificial vs real valves.
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    I answered human heart valves vs cow valves!! uh oh please say thats right?
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    What was the first question?
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    (Original post by DustToDust)
    People doing further additional, opposed to standalone science GCSE's had the egg question instead of the lung question
    This is so comforting! I was so frightened!
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    (Original post by willclegg7)
    Okay, I just did advantages and disadvantages for the artificial heart valve and backed up my points, I made points about 3 advantages and 3 disadvantages with a slight comparison in the shortl conclusion so hopefully that's enough for the 6 marks.
    what exam did you do? why have you got different questions
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    (Original post by neil20143)
    They definitely didn't say artificial vs real valves.
    No they said compare the advantages and disadvantages of living human heart valves against cow heart valves
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    Did you do the paper about the egg??

    (Original post by willclegg7)
    For the 6 mark question, was it about the advantages and disadvantages of artificial heart valves, or advantages and disadvantages comparison of living human heart valves and artificial heart valves? HELP ME OUT!!!
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    (Original post by smithy_1998)
    No they said compare the advantages and disadvantages of living human heart valves against cow heart valves

    Exactly!
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    maybe people are trolling because im sure it was cow vs human not artificial (your not funny btw)
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    What did you guys for the question, on how oxygen goes into the bloodstream, did you mention haemoglobin, or did you talk about diffusion?
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    Look, I 100% guarantee that for the FURTHER ADDITIONAL SCIENCE B3 paper, the 6 mark qs was asking to give the advantages and disadvantages of the ARITIFICIAL heart valve compared to the LIVING HUMAN heart valve.
    I didn't do the separate science paper so maybe the business about this cow valve was in there, or it's bs.
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    (Original post by isabellagrace)
    I found it a lot easier than B2!!!


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    you can say that again
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    (Original post by Daniel-A-123)
    What did you guys for the question, on how oxygen goes into the bloodstream, did you mention haemoglobin, or did you talk about diffusion?
    i did diffusion through cell membrane in the alveoli
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    (Original post by hklsdflhks)
    I answered human heart valves vs cow valves!! uh oh please say thats right?
    yep that's right... well I did that...
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    He's right. It was DEFINITELY the human and artificial for the Further Additional B3 Higher Pape

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    (Original post by hklsdflhks)
    i did diffusion through cell membrane in the alveoli
    :banana2: yep I did too!
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    the question about the ivy leaves experiment I found the hardest in the whole thing. .....
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    (Original post by Daniel-A-123)
    What did you guys for the question, on how oxygen goes into the bloodstream, did you mention haemoglobin, or did you talk about diffusion?
    Diffusion
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    (Original post by haz_918)
    diaphragm flattens>increased volume>decreased pressure>pressure differential>so air is drawn in
    Exactly that
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    (Original post by harryrwx)
    He's right. It was DEFINITELY the human and artificial for the Further Additional B3 Higher Pape

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    thank god! I'm just doing triple science not further additional
 
 
 
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