1.

Differentiate between an artery and a vein.

Answer»
  • Artery has thick walls whereas Veins has thin walls. 
  • Arteries carries blood away from the heart but veins carry blood to the heart. 
  • In arteries valves are absent and in veins they are present.
  •  In arteries blood flows under pressure but in veins there will be no pressure.


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