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Solution


Q.

Choose the correct statements that describe arteries
1 They have thick elastic walls, blood flows under high pressure, collect blood from different organs and bring back to heart.
2 They have thin walls with valves inside, blood flows under low pressure, carry blood away from the heart to various organs of the body.
3 They have thick elastic walls, blood flows under low pressure, carry blood from the heart to various organs of the body.
4 They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.

Ans.

(4)

Arteries are thick-walled blood vessels that pump blood away from the heart at a high pressure because their walls are highly muscular, they do not have valves.