Question

give three differences between an artery and vein.

Answer 1

Answer:

artery--

1) blood flows from heart to all parts of the body.

2) carry oxygenated blood.

3) ex- renal artery and pulmonary artery.

viens--

1) blood flows from lungs to heart.

2) carry deoxygenated blood

3) ex- pulmonary vein and renal vein.

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Answer 2

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Arteries

• It is thick walled with narrow lumen.
• In artery, blood flows from heart to other body parts.
• It supplies blood to body organs.
• It carries oxygenated blood.

Veins

• It is thin walled with wide lumen.
• In vein, blood flows from body organs to heart.
• It collects blood from body organs and brings it back to the heart.
• It carries deoxygenated blood ( except pulmonary arteries)