Question

Differentiate between an artery and a vein.

Answer 1

1. Arteries are blood vessels that convey blood away from the heart and have thick muscle tissue walls.
2. Veins supply blood to the heart and need valves to keep blood flowing and veins have thinner walls and use valves to keep blood flowing.

	Arteries	Veins
Function:	Except for the pulmonary arteries, all are involved in the transport of oxygenated blood.	Except for pulmonary veins, they are involved in the transport of deoxygenated blood.
Walls:	It is made up of three layers that are hard, thicker, and highly muscular.	It is divided into three layers, each of which is thinner and less muscular.
Location:	It is located in the body's deepest recesses.	It is located closer to the skin on the periphery.
Colour:	The colour is red.	The colour is blue.