Blood circulation involves a system that takes blood in and out of the heart using a network of veins and arteries. One such vein is the superior vena cava. The superior vena cava carries deoxygenated blood in the body to the right atrium of the heart.
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Superior Vena Cava
The answer I believe you're looking for is the superior vena cava.
The superior vena cava is responsible for delivering deoxygenated blood from the upper portion of your body to the heart.
The superior vena cava brings deoxygenated blood into the heart, into the right atrium. The superior vena cava is formed by union of the right and left brachiocephalic (innominate) veins.
Your superior vena cava brings blood into the heart from the top section of your body, whereas the inferior vena cava brings the blood in from the bottom half of the body.
Inferior vena cava
There are two main blood vessels into which all blood returning to the heart drains, the superior and inferior vena cava. The superior vena cava will drain blood from the upper part of the body into the right atrium and the inferior vena cava will drain blood from the lower part of the body into the right atrium.
The superior vena cava collects blood from upper extremities and carries the deoxygenated blood to the right auricle/atrium of the heart.
The superior vena cava brings blood back from the upper part of the body. The inferior vena cava drains the rest of the body.
Inferior vena cava and superior vena cava.
The superior vena cava.