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STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
A vein differs from the artery in having
  • A
    Narrow lumen
  • B
    Strong cuticular and muscular wall
  • ✓
    Valves to control direction of flow
  • D
    Dark pigmented wall
✓

Answer

Correct option: C.
Valves to control direction of flow
c
(c) Vein contain valves to prevent back flow of blood.

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