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The Circulatory System - Coggle Diagram
The Circulatory System
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Blood Vessels
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Arteries have thick walls that are very strong. Blood will not flow backwards in arteries because there is pressure coming from the heart
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Capillaries have walls that are only one cell thick. They are extremely thin as they need to weave through the organs to deliver substances to cells
The Heart
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It's function is to pump oxygenated blood all around the body. It also sends deoxygenated blood to the lungs to remove carbon dioxide and collect oxygen