Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Circulatory System (Human Biology)Types of Blood Vessels
What are the blood vessels called that are only one cell thick?
- A.Arteries
- B.Veins
- C.CapillariesCorrect answer
- D.Venules
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Practice these MCQs in the appQuick fact: The blood vessels that are only one cell thick are called capillaries.