The blood vessels 0.0 / 5 ? BiologyBlood vesselsGCSEEdexcel Created by: Jazzy15Created on: 13-03-19 21:54 What are the 3 types of blood vessels ? Arteries, veins, capillaries 1 of 17 Why does a vein have a large space ? It has a large space for blood to flow easily back to the heart 2 of 17 What do valves do ? They stop the blood flowing backwards, so that is returned to the heart 3 of 17 What is the wall of the vein like ? thinner wall than artery 4 of 17 What is in the middle section of the arteries ? a space where blood flows 5 of 17 Describe the walls of the arteries Thick wall of muscle and elastic fibers 6 of 17 What are capillaries adapted to do ? To exchange substances between the blood and body cells 7 of 17 Describe the wall of the cell of the capillary one cell thick 8 of 17 What are the waste products of the capillary ? e.g. carbon dioxide + other cell products, e.g. hormones 9 of 17 What do the arteries do ? Arteries (AWAY) carry the blood away from the heart 10 of 17 What do the pulmonary arteries do ? carry oxygenated blood to the body 11 of 17 What do veins do ? Carry blood towards the heart 12 of 17 What do the pulmonary veins carry ? Deoxygenated blood from the body back to the heart 13 of 17 What do capillaries do ? They exchange materials, such as oxygen, glucose and carbon dioxide with body tissues 14 of 17 What is a key function of blood ? To deliver oxygen and glucose to cells for respiration + removal of carbon dioxide 15 of 17 Which is the narrowest blood cell Capillary 16 of 17 Which type of artery has the thickest wall ? Artery 17 of 17
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