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Question

Assertion (A): Arteries are thick-walled and elastic.

Reason (R): Arteries carry oxygenated blood.


A

Both A and R are false.

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B

Both A and R are true, and R is the correct explanation for A.

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C

Both A and R are correct, but R is not the explanation for A.

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D

A is true, and R is false.

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Solution

The correct option is C

Both A and R are correct, but R is not the explanation for A.


The correct option is C.

Explanation for the correct option:

Statement:

  1. Oxygenated blood is carried from the heart through arteries to different parts of the body.
  2. Arteries usually have relatively thick walls and elastic walls
  3. It can tolerate high blood pressure, mainly from the heart.
  4. The arteries closest to the heart have the thickest walls, with a high percentage of elastic fibers.

Reason:

  1. Arteries (red) carry oxygen and nutrients away from your heart to your body tissues.
  2. The veins (blue) carry oxygen-depleted blood back to the heart.
  3. The arteries begin with the aorta, the large artery that leaves the heart.
  4. They usually carry oxygen-rich blood from the heart to various tissues of the body.

Final Answer: Here both statement and reason are true, but the reason is not an explanation for the statement.


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