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w w w e tr .X m eP e ap UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary take .c rs om * 2 8 8 0 0 9 0 3 6 1 * HUMAN AND loving biology Paper 2 Candidates answer on the head Paper. No Additional Materials are required. READ THESE INSTRUCTIONS set-back hold open your Centre number, candidate number and elevate on each(prenominal) the work you hand in. Write in glum blueness or black pen. Do not enjoyment 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 rejoinder all in all minds. You are aware to spend no longer than 1 hour on divide A. Section B Answer both dubiousnesss. Section C Answer either question 9 or question 10. At the end of the psychometric test fasten only your work securely together. The number of tag is given in brackets [ ] at the end of each question or fibre que stion. 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 record consists of 19 printed pages and 1 blank page. DC (NH/SW) 31915/4 © UCLES 2011 [Turn all over 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, nervure cava, pulmonary vein and right heart ventricle on Fig. 1.1. A aorta P pulmonary vein R right ventricle V v! ena 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 compliments to get a full essay, set up it on our website: BestEssayCheap.com

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