Which Blood Vessel Is The Longest Vein In The Body?

Superficial vein collecting blood from the inner leg and thigh and receiving blood from certain veins of the foot; it is the longest vein in the body.

  • abdominal aorta.
  • superior mesenteric artery.
  • renal artery.
  • renal vein.
  • pulmonary artery.
  • arch of aorta.
  • inferior vena cava.
  • pulmonary vein.

Which vein is the longest in the body?

Great Saphenous Vein

Which is the longest vein in the body that is located in the lower extremity?

It is the longest vein in the body, running along the length of the lower limb, returning blood from the foot, leg and thigh to the deep femoral vein at the femoral triangle.

Which blood vessels are under the most pressure?

Arteries generally carry oxygen-rich blood. The largest artery is the aorta, which receives blood directly from the heart. Veins are blood vessels that carry blood toward the heart. This blood is no longer under much pressure, so many veins have valves that prevent backflow of blood.

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Which is the most important vein?

great saphenous vein

What’s the biggest vein in the body?

The largest vein in the human body is the inferior vena cava, which carries deoxygenated blood from the lower half of the body back up to the heart.

What is the strongest vein in the body?

All the arteries of the body, save the pulmonary arteries, stem from the aorta or one of its main branches. Vena Cava are large veins that return deoxygenated blood from the body into the heart. In humans they are called the superior vena cava and the inferior vena cava, and both empty into the right atrium.

Is the largest artery of the body?

aorta

Which blood vessel drains the blood from the head and upper extremities?

The superior vena cava is formed by the left and right brachiocephalic veins, which receive blood from the upper limbs, head and neck. The inferior vena cava returns blood from the abdomen and lower limbs. The hepatic veins of the liver and renal veins of the kidney drain directly into the inferior vena cava.

Which blood vessel drains the digestive system through the liver?

Hepatic portal vein. A blood vessel that carries blood containing nutrients and oxygen from the digestive tract and spleen into the liver. Inferior vena cava. A large vein that carries blood from the liver, intestines, legs, and kidneys to the heart.

What are the 3 main veins to draw blood?

Median cubital vein A superficial vein, most commonly used for venipuncture, it lies over the cubital fossa and serves as an anastomosis between the cephalic and basilic veins. 2. Cephalic vein Shown in both forearm and arm, it can be followed proximally where it empties into the axillary vein.

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Is blood pressure higher in arteries or veins?

Increased pressure in the veins does not decrease flow as it does in arteries, but actually increases flow. Since pressure in the veins is normally relatively low, for blood to flow back into the heart, the pressure in the atria during atrial diastole must be even lower.

What are the 5 Major blood vessels?

There are five main types of blood vessels: arteries, arterioles, capillaries, venules and veins. Arteries carry blood away from the heart to other organs. They can vary in size. The largest arteries have special elastic fibres in their walls.

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