1. HUMAN BIOLOGY
HIGHER
UNIT 2: Chapter 21, Delivery of Oxygen to cells and Chapter 22, Delivery of Nutrients to Cells past paper questions.
SECTION A
All questions in this section should be attempted.
Answers should be underlined with a ruler.
2011
2011.
2010.
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2. HUMAN BIOLOGY HIGHER [Turn over SECTION A
All questions in this section should be attempted.
Answers should be underlined with a ruler.
2009.
2007
2008
[Turn over

3. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2012
[Turn over

4. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2010
[Turn over

5. All questions in this section should be attempted.
HUMAN BIOLOGY
HIGHER
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2010 Qu6 Con’t
[Turn over

6. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2009
[Turn over

7. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2009 Qu6 Con’t
[Turn over

8. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2007
[Turn over

9. All questions in this section should be attempted.
SECTION B
All questions in this section should be attempted.
All answers must be written clearly and legibly in ink.
2007 Con’t
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10. [END OF QUESTION PAPER]
SECTION C
BOTH questions should be attempted.
The questions should be attempted on the blank pages which follow.
Supplementary sheets, if required, may be obtained.
Labelled diagrams may be used where appropriate.
Marks
2007.
Give an account of how the structure of a red blood cell relates to its function (10)
AND
2005.
Describe the functions of the liver under the following headings
Production of urea. (2)
Metabolism of carbohydrates (5)
Breakdown of red blood cells (3)
[END OF QUESTION PAPER]
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