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Why is umbilical artery called an artery when it carries oxygenated and deoxygenated blood?
An artery is the vessel that carries blood away from the heart. The pulmonary artery carries only deoxygenated blood after birth.
What are the vessels of the heart that carry oxygenated and deoxygenated blood?
The pulmonary vein brings in oxygenated blood from the lungs through the left atrium and ventricle up into the aorta which then carries the oxygenated blood through the body. The vena cava (main vein) on the right side carries deoxygenated blood through the right atrium through the right ventricle up into the pulmonary artery, which carries the deoxygenated blood to the lungs to get oxygenated again. The pulmonary artery is the only artery to carry deaoxygenated blood.
Why the pulmonary veins carrying the oxygenated blood and not the pulmonary artery?
it's a pulmonary VEIN because the blood isn't under as much pressure (because it has yet to get to the heart) where as the pulmonary artery is coming straight from the heart so is under more pressure. (the pressure is caused by the heart's contractions)
How is the pulmonary artery unique?
Its the only artery that carries oxygenated blood.
Why do arteries carry oxygen poor blood?
The pulmonary arteries carry deoxygenated blood from the right ventricle of the heart to the lungs, where the hemoglobin molecules in the red blood cells pick up oxygen molecules. The blood is being carried away from the heart, which classifies these vessels as arteries even though the blood does not contain oxygen.
