MICROANATOMY

Detailed explanation-1: -Your inferior vena cava, your body’s largest vein, carries oxygen-depleted blood back to your heart from the lower part of your body (below your diaphragm). Your superior vena cava, your second biggest vein, brings oxygen-poor blood from your upper body to your heart.

Detailed explanation-2: -Aorta is the main or the largest artery which carries oxygenated blood from the heart to the whole body. Vena cava is the large veins that bring deoxygenated blood from the body to the heart.

Detailed explanation-3: -The vena cava are the two largest veins that carry blood into the right upper chamber of the heart (the right atrium). The superior vena cava carries blood from the brain and arms into the top of the right atrium.