Blood Vessels 0.0 / 5 ? BiologyCirculationGCSEAQA Created by: Former MemberCreated on: 05-12-13 21:01 How thick is the Artery wall? Thick 1 of 22 Why is the Artery this thickness? Keeps a high blood pressure 2 of 22 What is the wall made up of in the Artery? Lots of muscle and elastic fibres 3 of 22 How thick is the Capillary? One cell thick 4 of 22 Why is the Capillary this thickness? Allow diffusion of materials 5 of 22 What is the wall made up of in the Capillary? One layer of epithelium 6 of 22 How thick is the Vein? Medium thickness 7 of 22 Why is the Vein this thickness? Resists lower blood pressure 8 of 22 What is the wall of the Vein made up of? Some Muscle and Elastic fibres 9 of 22 Does the Capillary have a pulse? No 10 of 22 Does the Artery have a pulse? Yes 11 of 22 Does the vein have a pulse? No 12 of 22 Is the blood oxygenated or de-oxygenated in the Vein? De-oxygenated - Except pulmonary vein 13 of 22 Is the blood oxygenated or de-oxygenated in the Artery? Oxygenated - Except pulmonary artery 14 of 22 Is the blood oxygenated or de-oxygenated in the Capillary? Oxygenated in lungs, De-oxygenated in other organs 15 of 22 Does the Vein have a big or small lumen? Big 16 of 22 Does the Artery have a big or small lumen? Small 17 of 22 Does the Capillary have a big or small lumen? Small 18 of 22 What do Arteries do? Carry blood away from the heart to organs 19 of 22 What to Capillaries do? Carry blood through organs 20 of 22 What Diffuses in and out of capillaries? CO2, Oxygen and Glucose 21 of 22 What do Veins do? Carry blood back from the organs to the heart 22 of 22
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