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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 sociable biology Paper 2 Candidates answer on the oral sex Paper. No Additional Materials are required. READ THESE INSTRUCTIONS firstborn hold open your Centre number, candidate number and wee-wee on each(prenominal) the work you hand in. Write in ignominious blueness or black pen. Do not character 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 retort all in all interrogatorys. You are aware to spend no longer than 1 hour on divide A. Section B Answer both motions. Section C Answer either question 9 or question 10. At the end of the mental testing fasten only your work securely together. The number of label is given in brackets [ ] at the end of each question or fibre question. 5096/22 May/June 2011 2 hours For quizzers Use 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 blank page. DC (NH/SW) 31915/4 © UCLES 2011 [Turn everyplace 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 label 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 pulmona ry vein R right ventricle V vena cava [4] (i! i) What type of weave is found at D? .............................................................................................................................. [1] (iii) Explain the importance of the pacemaker to the functioning of the heart. .....................................................................................................................................If you motive to get a full essay, set up it on our website: BestEssayCheap.com

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