Mots Croisés Circulatory systemVersion en ligne Word puzzle with the most relevant vocabulary about the human's circulatory system. par Arturo Valderruten Vidal 1 Protein that binds to oxygen and transports it through the circulatory system. 2 Relating to the lungs. 3 Smallest blood vessel. 4 5 6 This part of the circulatory system involves all body systems, except the lungs. 7 8 Blood vessel that transports blood away from the heart. 9 Liquid part of blood. 10 Largest artery in the body. 11 Heartbeat is controlled by the ___ stem. 12 Blood pump. 13 14 15 13 12 11 6 10 2 15 3 1 9 14 4 5