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Choose the correct statement that describes arteries.
(a) They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart
(b) They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body
(c) They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body
(d) 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.
Answers (1)
Ans.(d)
Arteries are the vessels which carry blood away from the heart to various organs of body. As the blood flows away from heart with very high-pressure, arteries have thick walls.
Hence option (d) is correct.
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