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Official AQA Biology Unit 3 14th May 2013 NEW SPEC Watch

  • View Poll Results: VOTE HERE--> What do you think the 6 marker will be?
    Explaining features/functions of the lungs
    8.15%
    Ventilation
    11.11%
    Blood flow in heart
    16.30%
    Explain Transport in blood
    5.19%
    Explain Transport in plants
    5.19%
    Evaluate kidney transplants/dialysis
    28.89%
    Explain biogas generator
    31.11%
    Other (please comment with your suggestion)
    12.59%
    The effects of global warming
    8.15%
    Evaluate the use of Artificial blood
    13.33%
    Evaluate the effectiveness of sports drinks
    11.11%

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    (Original post by Aspire101)
    Does anybody have any idea about this?


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    U mean for the question where u had to say the difference in blood between the artery and vein.

    I think u need to say that vein oxygenated while artery deoxygenated
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    (Original post by nicola12345)
    What were the answers for the diagram of the blood vessels in the lungs?


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    Artery
    Blood Capillary
    Vein
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    okay, i think i lost my marks on the following:

    1 mark on 6 marker
    5 marks on the last four pages
    3 marks on things like volume, marathon person and something else
    3 marks stupid mistakes

    which gives me around 48/49
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    (Original post by ahmed15)
    U mean for the question where u had to say the difference in blood between the artery and vein.

    I think u need to say that vein oxygenated while artery deoxygenated
    I put difference in C02.
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    How cann you even guess what your mark is?? the mark scheme is hardly lenient!!
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    what does everyone think that 48/49 would give in terms of UMS?...
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    (Original post by NightStrider)
    I put difference in C02.
    I think saying either should get u the marks, right?
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    (Original post by ahmed15)
    U mean for the question where u had to say the difference in blood between the artery and vein.

    I think u need to say that vein oxygenated while artery deoxygenated
    Yeah that one.. The thing is I think they had a 1 mark question about composition of blood in the vein and then another 2-3 mark question following on from that idea? So if I got that first mark wrong (because I said artery is oxygenated) would I get the other 3 marks wrong as well..


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    (Original post by ahmed15)
    I think saying either should get u the marks, right?
    I had originally but oxygen but the question specified constitution of blood so I changed it to C02 because you still have r.b.c.s
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    (Original post by NightStrider)
    I put difference in C02.
    If this was one of the first questions with the lungs I said that the artery has a more elastic wall....
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    (Original post by ThatPerson)
    The bit about stents talks about the coronary artery.
    I've checked like 3 times it just says artery not coronary artery
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    (Original post by cmorga1)
    The 6 mark factory farming was ideal
    YES!!



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    (Original post by DanTheMan358)
    I've checked like 3 times it just says artery not coronary artery
    There is definitely a bit on coronary artery- and on mygcsescience videos as well
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    (Original post by Funky Fish)
    If this was one of the first questions with the lungs I said that the artery has a more elastic wall....
    Yh but it says about constitution of blood. I think oxygenated/deoxygenated blood is good enough to get you the marks
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    if people give me most of the question and marks, i'll start making the unoffical mark scheme ...
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    (Original post by Captain Anonymous)
    if people give me most of the question and marks, i'll start making the unoffical mark scheme ...
    Q1 was name parts of the heart I think and answers included vea cave, aorta.. left venctricle..... and atria I think cant remember
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    (Original post by Pistol 33)
    Q1 was name parts of the heart I think and answers included vea cave, aorta.. left venctricle..... and atria I think cant remember
    A- aorta
    B-Left Ventricle
    C- vena cava
    D- right atrium
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    For the blood controlling temperature what should we have said??
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    (Original post by cmorga1)
    For the blood controlling temperature what should we have said??
    What one ????


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    (Original post by cmorga1)
    For the blood controlling temperature what should we have said??
    I put when you're hot cappilaries dilate and let blood closer to surface to radiate heat
    and when cooler they shrink so less blood to surace.
    Also the marathon people I said abou the sweat being able to evaporate on a dry day but not on a umid day (basically P1 Physics)....
 
 
 
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