Question : Name the layers found in Human Blood vessels.

1.	Question : Name the layers found in Human Blood vessels.
Answer» Solution :The blood vessels in humans are composed of three layers, tunica intima, tunica media and tunica externa. The inner LAYER, tunica intima or tunica INTERNA SUPPORTS the VASCULAR endothelium, the middle layer. Tunica media is composed of smooth muscles and an extra cellular matrix which contains a protein, elastin. The outer layer, tunica extema or tunica adventitia is composed of COLLAGEN fibres.

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