Arteries are thick walled, because

They are without valves.

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They have to pump blood.

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The blood flows with high pressure in them.

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They have oxygenated blood.

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Solution

The correct option is C The blood flows with high pressure in them.
Since the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.

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Similar questions

Question 21
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 carries 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 carries blood away from the heart to different parts of the body.

Q. Blood in arteries flow under high pressure. Therefore, they have _______ and elastic walls.

Q. Blood in arteries flow under high pressure. Therefore, they have and elastic walls.

Q. State the true statements of the following:

(1)

Blood flowing in arteries is without high pressure.

(2)

Blood flowing in veins is without high pressure.

(3)

Veins have valves opening towards heart.

(4)

Arteries have valves opening towards heart.

Q. Assertion: Arteries have thick elastic walls.
Reason: Blood flow in arteries is rapid and at high pressure.

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Arteries are thick walled, because

The correct option is C The blood flows with high pressure in them.Since the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.

The correct option is C The blood flows with high pressure in them.
Since the blood emerges from the heart under high pressure, the arteries have thick, elastic walls.