The two main blood vessels leading out of the heart are the pulmonary trunk and the aorta.
The five main parts are the arteries, capillaries, veins, heart and most people don't count blood but blood is also one!
heart, blood and blood vessels
Heart, blood, lungs and blood vessels.
the blood, blood vessels and the heart are the three main elements of the circularatory system. Hope that helped :)
A blockage in one of the main blood vessels of the heart.
The heart, the blood vessels and blood
The main organs of the circulatory system are the heart, blood vessels and blood. The blood vessels include arteries, veins, and capillaries.
HeartBloodCapillariesVeinsArteries
The heart and the blood vessels
The main artery distributing the oxygenated blood is the Aorta.
The main organs of the respiratory system are the lungs. The main organs of the circulatory system are the heart and blood vessels.
keep you alive! they bring blood to the heart so it can get circulated round the body and lungs again