Structures of the heartVersion en ligne Focused on function par Kirk Villanueva 1 Largest artery in the body, connected to the left ventricle 2 Prevents blood flowing back into the right atrium. Produces part of the lub sound as it slams shut 3 Collects oxygenated blood from the lungs 4 pushes blood out to the rest of the body. Part of the systemic circuit/pathway 5 Deoxygenated blood pumped away from the heart to the lungs in this vessel 6 Carries oxygenated blood from the lungs to the left atrum 7 pumps blood to the lungs. 8 produces part of the dub sound 9 largest vein in the body, connected to the right atrium 10 collects blood as it s brought toward the heart