Multiple choice

Arteries are

  1. thin walled and blood flows under diminished pressure

  2. thick walled and blood flows under high pressure

  3. thin walled and blood flows under high pressure

  4. thick walled and blood flows under diminished pressure
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Arteries are thick-walled vessels that carry blood away from the heart under high pressure generated by ventricular contraction. Their walls contain smooth muscle and elastic tissue to withstand and maintain this pressure, ensuring efficient distribution of oxygenated blood throughout the body.

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