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They both carry blood in them, but veins take blood to the heart, artiries take blood from the heart, usually!
The left and right renal arteries and veins branch off from the abdominal aorta.
compare and contrast the structure of a vein and artery
In the body, veins deliver blood back to the necessary organs. Arteries take blood away from the heart so it can be filtered and distributed to the body. Capillaries are thin walls that exist where arteries become veins and vice versa.
artiries vessle
Capillaries.
valves are not present in arteries because in arteries there is high blood pressure
either ventricals or artiries
the smallest vessales that form an extensive network of vessels in the body organs, connecting arteries to veins.
The arteries are blood vessels that carry blood away from the heart to the rest of the body. Arteries branch into smaller arterioles, which branch into capillaries. Capillaries are one-cell thick and have a diameter of about the width of one blood cell. Capillaries form into venules, which form into veins, which carry blood to the heart from the rest of the body. Click on related links for an illustration.
circulates blood
It is pi radians.