Blood Vessels

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Carries blood away from the heart towards the cells in the body. Their structure is highly suited for this job as they have a Tough External Layer, the middle layer has Elastic Fibres and Smooth Muscle, also the Lumen is small when artery is unstreched by blood pressure. Arteries carry blood away from the heart except for the Pulmonay Artery, which carried Deoxygenated Blood from heart to the lungs…




Really good thank you!

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