1.

List in tabular form three differences between arteries and veins.

Answer»
ArteriesVeins
(i) Arteries carry oxygenated blood, away from the heart except pulmonary artery.(i) Veins carry deoxygenated blood, towards the heart except pulmonary veins.
(ii) These are mostly deeply situated in the body.(ii) These are superficial and deep in location.
(iii) These are thick- walled, highly muscular except arteries of cranium and vertebral column.(iii) These are thin- walled.



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