Biology · Circulatory System
Identify the FALSE statement regarding the human circulatory system.
- 1Arteries have thick, elastic walls.
- 2Arteries carry only oxygenated blood.✓
- 3The pulmonary vein carries oxygenated blood.
- 4Valves are present inside veins to prevent backflow of blood.
Correct answer
Arteries carry only oxygenated blood.
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