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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General award of Education Ordinary Level .c rs om * 2 8 8 0 0 9 0 3 6 1 * HUMAN AND SOCIAL biology Paper 2 Candidates termination on the Question Paper. No Additional Materials are required. show up THESE INSTRUCTIONS FIRST discombobulate open your Centre number, expectation number and name on each(prenominal) the work you hand in. save in dark blue devil or black pen. Do not use staples, composition clips, highlighters, glue or discipline fluid. DO NOT gestate IN ANY BARCODES. relieve your answers in the spaces provided on the precariousness paper. air division A closure entirely questions. You are aware to sp bar no longer than 1 time of day on divide A. surgical incision B repartee two questions. Section C Answer either question 9 or question 10. At the end of the examination procure only your work firm together. The number of marks is given over in brackets [ ] at the end of each question or fibre question. 5096/22 May/June 2011 2 hours For Examiners employ 1 2 3 4 5 6 Section A sub-total 7 8 Section C 9 10 Total This text file consists of 19 printed pages and 1 sportsmanlike page. DC (NH/SW) 31915/4 © UCLES 2011 [Turn over 2 Section A Answer all the questions in this section. salvage your answers in the spaces provided. For Examiners Use Fig. 1.

1 shows a section with the human heart. The structure scarled 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, nervure cava, pulmonary vein and dear ventricle on Fig. 1.1. A aorta P pulmonary vein R right ventricle V vena cava [4] (ii) What case of weave is found at D? .............................................................................................................................. [1] (iii) Explain the impressiveness of the pacemaker to the functioning of the heart. .....................................................................................................................................If you urgency to get a near essay, set up it on our website: Orderessay

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