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This comprehensive schematic model of the human circulatory system includes authentic-looking blood (actually coloured water) which flows through transparent veins, arteries, capillaries and the heart chamber. This model's special design portrays venous blood - a deep reddish purple and arterial blood - a bright red to give visual reinforcement to the oxygenation and deoxygenation of haemoglobin as it travels the body's vascular network.
Organ | Circulatory system |
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