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Circulatory System
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Circulatory System

All cells in the body need oxygen and other nutrients to function correctly. The circulatory system fulfills both of these tasks. Usually, arteries carry pure/oxygenated blood, and veins are responsible for impure/deoxygenated blood.

Superior Vena Cava

The superior vena cava is a large, significant vein responsible for returning deoxygenated blood collected from structures located above the diaphragm back to the heart.

Inferior Vena Cava

The Inferior Vena Cava is a large blood vessel responsible for transporting deoxygenated blood from the lower extremities and abdomen back to the right atrium of the heart. It has the largest diameter and is a thin-walled vessel.

Heart

The heart is a muscular fist-sized organ. It's the primary organ of the circulatory system that pumps blood through the network of arteries and veins.

Femoral Artery

The femoral artery is the main blood vessel supplying blood to your lower body. It starts in your upper thigh, near your groin and runs down to the back of your knee.

Femoral Vein

Your femoral vein is a large blood vessel in your thigh. This vein collects deoxygenated blood from tissues in your lower leg and helps move it to your heart.

Aorta

The aorta is the main and the largest artery in the human body whose only and important function is to carry oxygenated blood from the heart to the rest of the body.