Biology · Human Circulatory System
Veins differ from arteries primarily in having:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Thicker muscular walls
- 2Stronger elastic walls
- 3Narrower lumen
- 4Valves to prevent the backflow of blood✓
Correct answer
Valves to prevent the backflow of blood
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