Differentiate between arteries and veins. What is the importance of capillaries in the circulatory system?
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Solution
Arteries
Veins
Arteries are the thick blood vessels.
Veins are the thin blood vessels.
They transport blood away from the heart.
They transport blood towards the heart.
Capillaries are the thin branching of arteries through which oxygen, digested food, carbon dioxide and wastes are exchanged between blood and other surrounding cells.