MODEL HUMAN HEART FUNCTIONAL

Complete schematic model of the human circulatory system with “blood” (coloured water) that flows through transparent veins, arteries, capillaries and heart chambers. 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.