Everyday Science Medium fpsc ppsc nts

Which tiny blood vessels allow the exchange of oxygen nutrients and waste between blood and body tissues?

  • A Arteries
  • B Veins
  • C Capillaries
  • D Venules
Correct Answer: Option C — Capillaries
Explanation: Capillaries are tiny thin walled blood vessels that allow the exchange of oxygen nutrients and waste products between the blood and surrounding body tissues at the cellular level.
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