Which blood vessels carry oxygenated blood?
Arteries always carry blood away from the heart and veins always carry blood back to the heart. Remember: The pulmonary arteries carry deoxygenated blood from the right ventricle to the lungs. The pulmonary veins carry oxygenated blood from the lungs to the left atrium.
The pulmonary artery carries deoxygenated blood from the right ventricle into the lungs for oxygenation. The pulmonary veins carry oxygenated blood from the lungs into the left atrium where it is returned to systemic circulation. The aorta is the largest artery in the body.
- The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream. The pulmonary veins bring oxygen-rich blood to the left atrium. The aorta channels oxygen-rich blood to the body from the left ventricle.
- Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary and umbilical veins, both of which carry oxygenated blood to the heart. In contrast to veins, arteries carry blood away from the heart.
- The tricuspid and mitral valve shut to prevent backflow into the respective atria. Blood from the right ventricle is pumped to the lungs through the pulmonary artery. Blood from the left ventricle is pumped to the rest of the body through the aorta. The pulmonary veins empty the oxygenated blood into the left atrium.
All arteries carry oxygenated blood EXCEPT for the pulmonary artery (the pulmonary artery carries de-oxygenated blood from the heart to the lungs). The pulmonary vein also carries oxygenated blood (from the lung back to the heart).
- Pulmonary Arteries carry deoxygenated blood from Right ventricle of the heart to the lungs for purification and Pulmonary veins carry the oxygenated blood from the lungs to the left Atrium of the heart for redistribution to the rest of the body including the heart and the lungs too.
- What type of blood do the arteries, veins and capillaries carry? Arteries carry oxygenated except for the pulmonary artery. Capillaries carry both oxy and deoxy and they exchange oxygen and carbon dioxide. Oxygen first diffuses then carbon dioxide is absorbed for transport back into lungs.
- The arteries are the thickest of all blood vessels and have muscular walls that contract to keep the blood moving away from the heart. The veins are not as muscular, but they contain valves to prevent the blood from flowing backward.
Updated: 2nd October 2019