Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced Subsidiary PAPER 1: Lifestyle, Transport, Genes and Health. question booklet mark scheme results November 2021

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Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced Subsidiary PAPER 1: Lifestyle, Transport, Genes and Health. question booklet mark scheme results November 2021 Answer ALL questions. ... Write your answers in the spaces provided. Some questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 The diagram shows the internal structure of a human heart. (a) (i) Draw arrows to show the route blood would take as it returns from the body, enters the heart and is then pumped to the lungs. (2) (ii) State which stage of the cardiac cycle is shown in the diagram. (1) ..................................................................................................................................................................................................................................................................................... (b) Name the valves in this heart. (2) ..................................................................................................................................................................................................................................................................................... ..................................................................................................................................................................................................................................................................................... (Total for Question 1 = 5 marks) [Show More]

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