HUMAN BIOLOGY HIGHER UNIT 2: Chapter 23, Removal of Materials from Blood and Chapter 24, Regulating Mechanisms past paper questions. SECTION A All questions in this section should be attempted. Answers should be underlined with a ruler. 2012 2012. 2011. [Turn over
HUMAN BIOLOGY HIGHER [Turn over SECTION A All questions in this section should be attempted. Answers should be underlined with a ruler. 2011. 2010 2011 [Turn over
HUMAN BIOLOGY HIGHER [Turn over SECTION A All questions in this section should be attempted. Answers should be underlined with a ruler. 2009. 2009 2007. [Turn over
All questions in this section should be attempted. HUMAN BIOLOGY HIGHER SECTION A All questions in this section should be attempted. Answers should be underlined with a ruler. 2008. 2007 SECTION B All questions in this section should be attempted. All answers must be written clearly and legibly in ink. 2007 5c 1 [Turn over
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. 2011 [Turn over
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. 2011 Con’t [Turn over
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
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. 2008 [Turn over
[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 2012 - 2b. Describe involuntary mechanisms of temperature control. (10) AND 2008. 1A. Give an account of temperature regulation in cold conditions under the following headings: (i) voluntary responses; (3) (ii) involuntary responses; (5) (iii) hypothermia. (2) [END OF QUESTION PAPER] [Turn over