Mots Croisés Palavras cruzadas sobre sistema CardiovascularVersion en ligne Testa o teu Conhecimento sobre o coração e vasos sanguíneos. par Rui Ribeiro 1 Blood vessel carrying blood away from the heart. 2 Blood vessel carrying blood back to the heart. 3 Main artery of the body, originating from the heart. 4 Tiny blood vessel where gas exchange occurs. 5 Lower chamber of the heart that pumps blood out. 6 Structure that prevents backflow of blood in the heart. 7 Relating to the lungs or the flow of blood to the lungs. 8 Movement of blood through the heart and blood vessels. 5 7 4 3 1 8 6 2