Which of the following are characteristics of veins?

Carry oxygen rich blood

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Thin walled

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They have valves

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Carry carbon dioxide rich blood

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Solution

The correct options are
B Thin walled
C They have valves
D Carry carbon dioxide rich blood
Veins are blood vessels that carry carbon dioxide rich blood from all parts of the body back to the heart. The veins have thin walls. There are valves present in the veins that allows blood to flow only in one direction, towards the heart.

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Similar questions

Identify the correct match

I: Coronary artery – Oxygen-rich blood

II: Pulmonary vein – Carbon dioxide-rich blood

III: Pulmonary artery – Oxygen-rich blood

IV: Hepatic vein – Carbon dioxide-rich blood

Pulmonary veins carry oxygen rich blood.

(a) Name the only artery that carries carbon dioxide-rich blood.
(b) Why is it called an artery if it does not carry oxygen-rich blood?

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