Why there is the presence of wider lumen in veins
Dear Student
Blood in veins have low pressure and friction against the wall of the vein will slow down the blood flow. Wide lumen reduces contact between blood and vessel wall, making the blood flow easier, in spite of low pressure.
Regards
Blood in veins have low pressure and friction against the wall of the vein will slow down the blood flow. Wide lumen reduces contact between blood and vessel wall, making the blood flow easier, in spite of low pressure.
Regards