Which of the following statements is true about arteries?
(a) Arteries possess thick elastic walls without valves inside, blood flows under high pressure
and carry blood away from the heart to different parts of the body.
(b) Thin walls of arteries have valves inside and blood flows with low pressure and carry it away
from the heart to different organs.
(c) They possess thick elastic walls, blood flows under low pressure; carry blood from the heart
to various parts of the body.
(d) They possess thick elastic walls, blood flows under high pressure; collect blood from
different organs and bring it back to the heart.
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Answer:
a and d are true and b and c are false
Explanation:
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