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The two basic blood vessels in the human body that are responsible for transporting deoxygenated and oxygenated blood throughout the human body are veins and arteries. Veins take the deoxygenated blood from the body parts back towards the lungs and heart while the arteries take oxygenated blood from the heart sending it back outwards.
I remember this by repeating the following-- "arteries AWAY, veins VEER back".
Veins carry the deoxygenated blood from different parts of the body to the heart. Among the veins, only pulmonary vein carries oxygenated blood (from lungs to left atrium).
Among the 5 main vessels of our body, veins carry deoxygenated blood. There are two main veins that carry out this job. The superior vena cava carries deoxygenated blood from head, neck, thorax and hands to the right atrium of our heart. The inferior vena cava carries deoxygenated blood from legs, pelvic region and abdominal organs to the right atrium of our heart.
In our body, the deoxygenated blood is brought to our heart, from where it is pumped to the lungs. The oxygenated blood from the lungs is again brought back to the heart, from where it is pumped to the rest of our body.
hope this helps.
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