Question

Give reason

Valves are present in veins but not in artery​

Answer 1

Answer:

valves are present into heart for controlling the amount of blood

Answer 2

Answer:

yes valves are present in veins but not areteries because

The blood follow in veins is little and the pressure exerted is also less,so blood can flow backward

Whereas the blood flow and pressure in arteries is high so they dont flow backward

that is why valves are present.