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Question 3.4   What do valves do? (1)

Question 3.8.2   Use the graph in Question 3.8.1 to help you answer the question.   What happened to Jim’s heart rate in the first five minutes that he was running? Give an explanation for your answer. (2)

Question 3.2   The diagram below shows a section through the respiratory system (the lungs).   Click on the button below to open the picture of the lungs.     From which labelled part is oxygen absorbed into blood? [ans1] (1)

Question 4.2.1   When we drink water, it gets absorbed in different parts of the body. In what part of the body does the majority of water get absorbed? (1)

Question 3.5   When blood leaves the heart and is pumped around the whole body, what is it carrying? [ans1] (1)

Question 1 Answer the following questions regarding classification:

Question  1.6.1   Leaf shape is one way to identify plants. The pictures show four different leaves. Study the leaves and answer the questions that follows.   Number Picture Name of leaf 1   Horse Chestnut 2   Bay 3   Monstera 4   Sycamore     Click on the button below to open the picture of the different leaves.   Choose the correct answer.   Which two leaves are the most similar?   a.  1 and 2 b.  2 and 3 c.  1 and 4 d.  3 and 4 (1)

Question 3.7   Stephan is wondering how blood flows through the heart. Explain to Stephen how this happens. Remember to use the correct vocabulary and all the correct parts. (5)

Question 2.1   Choose the correct answer. Which piece of equipment would you use to see bacteria? Letter Name of equipment Picture a. Binoculars   b. Microscope   c. Mirror   d. Telescope     Click on the button below to open the picture of the instruments.   a.   binoculars b.   microscope c.   mirror d.   telescope  (1)

Question 4 Answer the following questions regarding nutrients and water: