1.

Give reason that viens are provided with valves

Answer» Vein is provided valves to prevent the back flow of deoxygenated blood.
To permit the blood flow only on one direction i.e. feom body to heart. Vein carry deoxygenated blood and if this blood reaches to the body, the person may die
So that the blood does not flow backwards


Discussion

No Comment Found

Related InterviewSolutions