b3.2.1 the blood system gcse items that can be used to define successful outcomes for peer and self...
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B3.2.1 The blood systemGCSE items that can be used to define successful outcomes for peer and self assessment activities
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Using Exam pro items to support successful outcomes
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Learners will be able to test their progress against learning outcomes using questions taken from past AQA GCSE examinations.
• B3.2.1 The blood system
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• B3.2.1 The blood system BLY3F-W-QP-JAN11Q3
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B3.2.1 The blood system BLY3F-W-QP-JAN11Q3
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• B3.2.1 The blood system BLY3F-W-MS-JAN11Q3
question
answers extra information mark
3(a)(i) 18 1
3(a)(ii) Z 1
3(b)(i) red blood cells 1
3(b)(ii) haemoglobin 1
Total 4
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• B3.2.1 The blood systemBLY3H-W-QP-JAN11
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B3.2.1 The blood system BLY3H-W-QP-JAN11
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B3.2.1 The blood system BLY3H-W-MS-JAN11
question
answers extra information mark
1(a)(i) brain 1
1(a)(ii) skin 1
1(a)(iii) 1/25 or 4% or 0.04 or 1 in 25 or 1:25 or 1 out of 25
allow 1
1(b) any two from:
increased / high heart rate / pulse rate
dilation / widening of arteries / arterioles (to skeletal muscles) orless blood flow to other organs
increased stroke volume / described
do not allow pumps more blood unqualified
accept vasodilation unqualified
do not accept reference to veins / capillaries
2
1(c) more respiration / description ormore energy required or to provide more energy
respiration / process described → CO2
CO2 diffuses into blood
ignore references to breathing
do not accept anaerobic respiration
1
1
1
Total 8
25000
1000
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• B3.2.1 The blood system BLY3F-W-QP-JUN10
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• B3.2.1 The blood system BLY3F-W-QP-JUN10
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• B3.2.1 The blood system BLY3F-W-MS-JUN10
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• B3.2.1 The blood system BLY3F-W-QP-JUN09
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• B3.2.1 The blood system BLY3F-W-QP-JUN09
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B3.2.1 The blood system BLY3F-W-MSJUN09
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• B3.2.1 The blood system BLY3F-W-MS-JUN09
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