Blood and Blood Vessels 5.0 / 5 based on 1 ratingTeacher recommended ? BiologyCirculationGCSEAQA Created by: Ciara26Created on: 31-03-14 10:29 What does the blood consist of? Platelets, plasma, red and white blood cells 1 of 9 What do platelets do? Help clot the blood 2 of 9 What is plasma mostly made of? Water 3 of 9 What type of blood vessel carries blood away from the heart? Artery 4 of 9 Which blood vessel has valves? Veins 5 of 9 What are valves (in a blood vessel) used for? To direct the flow of blood 6 of 9 Why are capillaries most efficient at diffusion? Their walls are 1 cell thick 7 of 9 Do red blood cells have a nucleus? No 8 of 9 Where is haemoglobin found? In the red blood cells 9 of 9
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