What is the middle layer of an artery and vein?

What is the middle layer of an artery and vein?
  1. Tunica intima
  2. Tunica media
  3. Squamous endothelium
  4. Tunica externa

Solution

The middle layer of an artery and vein is the tunica media. It is composed of smooth muscle and elastic fibres.

Asked in: NCERT

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