Question

write the three major differe ce between artery and vein?​

Answer 1

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Veins are less flexible than arteries. They have valves (doors) that open and close to let blood through. ... The chief difference between arteries and veins is the job that they do. Arteries carry oxygenated blood away from the heart to the body, and veins carry oxygen-poor blood back from the body to the heart.

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Answer 2

Difference Between Artery and Vein

Artery

1. Vessels which carry blood from the heart to various body parts

2. Arteries carry oxygenated blood from the heart except pulmonary artery

3. Arteries have thick elastic muscular walls

4. Valves are absent

5. Blood flows under high pressure

Vein

1. Vessels which carry blood from the various body parts to the heart

2. Veins carry deoxygenated blood from the various body parts except pulmonary vein

3. Veins have thin non elastic walls

4. Valves are present to prevent the backward flow of blood

5. Blood flows under low pressure

Extra points:

• The study of blood vessels is called Angiology
• Variocse veins are the swollen veins formed by improper valve function