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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary aim .c rs om * 2 8 8 0 0 9 0 3 6 1 * HUMAN AND neighborly biology Paper 2 Candidates answer on the brain Paper. No Additional Materials are required. READ THESE INSTRUCTIONS set-back hold open your Centre number, candidate number and constitute on each(prenominal) the work you hand in. Write in unilluminated blueness or black pen. Do not design staples, penning clips, highlighters, glue or correction fluid. DO non deliver IN ANY BARCODES. Write your answers in the spaces provided on the incertitude paper. air division A adjudicate entirely motions. You are aware to spend no longer than 1 hour on divide A. Section B Answer both perplexitys. Section C Answer either question 9 or question 10. At the end of the question fasten only your work securely together. The number of attach is given in brackets [ ] at the end of each question or fibre question. 5096/22 May/June 2011 2 hours For inspectors Use 1 2 3 4 5 6 Section A sub-total 7 8 Section C 9 10 Total This enrolment consists of 19 printed pages and 1 blank page. DC (NH/SW) 31915/4 © UCLES 2011 [Turn everywhere 2 Section A Answer all the questions in this section. Write your answers in the spaces provided. For Examiners Use Fig. 1.

1 shows a section through the human heart. The structure designate E is the pacesetter of the heart. E B C D Fig. 1.1 1 (a) (i) Use label lines and letter to identify the aorta, vena cava, pulmonary vein and right ventricle on Fig. 1.1. A aorta P pulmonary vein R right ventricle V! vena cava [4] (ii) What type of weave is found at D? .............................................................................................................................. [1] (iii) Explain the importance of the pacemaker to the functioning of the heart. .....................................................................................................................................If you necessitate to get a full essay, set up it on our website: OrderCustomPaper.com

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