Question
Why is it called an artery if it does not carry oxygen-rich blood?
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Answer
The main function of artery is to carry blood away from the heart. Also, arteries have thick walls and do not contain valves. Blood flow in arteries, takes place at high pressure. All these characteristics are found in pulmonary artery. It carries away deoxygenated blood from heart to lungs for oxygenation, therefore it is called an artery.
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