Valves are necessary in veins but not in arteries because
Valves are necessary in veins but not in arteries because
- A
Blood flows with greater force in veins
- B
Blood in veins flows without jerk
- C
Blood from heart may not be pushed back into veins
- D
Pressure in veins is low, which can flow the blood
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- [AIIMS 1992]
Heart.....
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Definition / Explanation :
$(1)$ Semi lunar valve
Definition / Explanation :
$(1)$ Semi lunar valve