Blood Vessel

A tube that carries blood around the body of an animal.

Blood vessels include veins, arteries and capillaries.


A blood vessel carrying blood away from the heart.


A blood vessel with very thin walls.

Inferior vena cava

a blood vessel carrying blood to the heart.

Pulmonary artery

The blood vessel that carries oxygen-poor blood from the right ventricle of the heart to the lungs.

Pulmonary vein

The blood vessel that carries oxygen-rich blood from the lungs to the left atrium of the heart.

Superior vena cava

A large vein that carries oxygen-poor blood to the right atrium from the upper parts of the body.

See also: Aorta, Blood, Capillary, Cholesterol, Inferior Vena Cava, Pulmonary Artery, Pulmonary Vein, Superior Vena Cava.

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Subjects: Biology Human Biology