Veins do not require thick walls
as they do not have to work harder
they are required only occasionally
blood pressure declines while it gets to veins
blood pressures is immense
Veins carry blood back into the heart and for it less pressure is required. Therefore, veins have comparatively thinner walls than arteries.
Veins do not require thick walls.
3. But this goes against..this.. " Varicose veins occur when veins are unable to prevent backward flow of blood in places where high blood pressure occurs such as in the feet"
Blood in the arteries flow with _______ pressure than blood in the veins. Therefore,the walls of the arteries are ________ than veins.
The veins starting from the stomach and intestines do not directly convert the blood to the posterior vena cava. Instead, they first enter the ........... as a combined hepatic portal vein.