Trong trò chơi xếp hình đường ống này, bạn cần kết nối chính xác dòng chảy của máu.
In this pipe puzzle game, you need to correctly connect the flow of blood from the heart to particular organs. Link oxygenated blood (red pipes) to an organ so it can continue to function properly. You also need to link the deoxygenated blood (blue pipes) from the organ back to the heart. Make a complete blood circuit to keep the body working.