B3.2Transportsystemsinplantsandanimals植物和动物的运输系统.doc

B3.2 Transport systems in plants and animals植物和动物的运输系统6 This question is about the blood system.(a) Paul is investigating his pulse rate. He waits until he has been sitting still for 10 minutes. He then counts the pulse in his wrist. He counts 17 pulses in 15 seconds. What is his pulse rate per minute?. per minute 1(b) Paul then exercises for two minutes by running around the school field. He then sits down again and measures his pulse rate every minute. After another five minutes his pulse rate returns to normal. How would you expect Pauls pulse rate to change when he exercises and then sits down? Show your answer by completing the line on the graph. 2(c) Your pulse is caused by your heart beating. Sometimes the heart does not work properly and has to be treated. Draw a straight line to match each heart condition with its correct treatment. Draw two lines only. 2 Total: 59 Look atthe picture of human blood.(a) Complete the labels to show what job each part does. Choose from this list.releases energy transports oxygen transmits nerve impulses controls infection clots blood 3(b) Ninasblood group is AB. Five different students were asked to explainwhat this means. These are their answers. Some are correct and some are not. Nina has .Usethe answers to help you explain what beingblood group AB means. 2(c) Nina has a double circulatory system, like all mammals.Which of the diagrams, A, B,C or D, shows Ninas double circulatorysystem? answer.Explain your answer. 2 Total: 73 This question is about plants.(a) The table shows some parts of a plant and the job they do. Finish the table. 3(b) Look at the picture of a tree.The tree is 90 metres high but water can still reach its leaves. Write about how water travels through the tree.3(c) Increasing light intensity increases the rate of water movement through a plant. Write down one other environmental change that increases the rate of water movement.1(d) Plants produce biomass. Put a ring