But itâs not always so easy to tell whether an assignment is asking you to include comparison/contrast. And in some cases, comparison/contrast is only part of the essayâyou begin by comparing and/or contrasting two or more things and then use what youâve learned to construct an argument or evaluation.
The inferior vena cava carries blood from the lower half of the body whilst the superior vena cava carries blood from the upper half of the body. It is formed by the joining of the right and the left common iliac veins, usually at the level of the fifth lumbar vertebra.n the left, they drain into the renal vein which in turn drains into the inferior vena cava. By contrast, all the lumbar veins and hepatic veins usually drain directly into the inferior vena cava.
The inferior vena cava is one of two veins which carries deoxygenated blood from the body into the right atrium of the heart, the other vein is the superior vena cava: inferior deals with blood coming from body areas below the heart, superior deals with blood coming from above the heart. The Vena Cava carrys de oxygenated blood that is returning from the body and into the right atruim of the heart and the Aorta is the largest artery of the body which tr â¦ ansports oxygenated blood to the rest of the body.