What is the difference between arteries and veins?

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5 Answers

Arteries are pressurized and take oxygen rich (after leaving the lungs) blood away from the heart and to the organs. Veins bring blood back to the heart after it has passed through the capillaries and nourished the organs and tissues.
by (140 points)
What can be done when the arteries are too small for stents and or angioplastory?

The blockage is at a 90% rate.

The doctor says it's too small for stents and or a by-pass operation.
Arteries carry the oxygenized blood to your organs.
How many veins in a human body.
What are the names of all 23 arteries of the heart

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