What Is the Difference Between Arteries and Veins?

Arterial blood and venous blood are blood flowing in arterial circulation and blood flowing in pulmonary veins in pulmonary circulation. More oxygen, less carbon dioxide, bright red color, called arterial blood. The blood flowing in the veins of the systemic circulation, and the blood in the pulmonary arteries in the pulmonary circulation, contains less oxygen, contains more carbon dioxide, and is dark red in color. It is called venous blood.

Arterial and venous blood

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Arterial blood and venous blood are blood flowing in arterial circulation and blood flowing in pulmonary veins in pulmonary circulation. More oxygen, less carbon dioxide, bright red color, called arterial blood. The blood flowing in the veins of the systemic circulation, and the blood in the pulmonary arteries in the pulmonary circulation, contains less oxygen, contains more carbon dioxide, and is dark red in color. It is called venous blood.