Differentiate between arteries and veins ?? Answer please.

1.	Differentiate between arteries and veins ?? Answer please.
Answer» Arteries:1.Arteries carry blood away from heart to various organs of the body.2.Arteries have thick walls.3.Valves are absent.Veins:1.Veins collect the blood from different organs and bring it back to the heart.2.Veins have thin walls.3.Valves are present. ,, [define the electric circuit ]. ???? What are you saying I don\'t understand . Defina the electric circuit I know answer but can you explain . Please

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