Question

if the veins provide oxygenated blood to the all the body parts then who provides oxygen to the cells of the veins and arteries​

Answer 1

Answer:

Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels.