Multiple choice

What is blood pressure?

  1. The pressure of blood on the heart muscles.

  2. The pressure of blood exerted on the walls of arteries and veins.

  3. The pressure of blood on the walls of veins only.

  4. The pressure of blood on the walls of arteries only.

  5. The pressure of blood on the walls of capillaries only.
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B Correct answer
Explanation

This is the correct answer.

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