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  • 12-02-2020
  • Biology
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The ________ is composed of circularly arranged layers of smooth muscle cells. tunica interna tunica intima tunica media tunica externa None of the answers is correct.

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khubaid
khubaid khubaid
  • 13-02-2020

Answer:

In blood vessels a layer which comprises smooth muscle cells, elastic and connective tissues in circularly arrangement is called tunica media.

Blood vessel layers:

Basically blood vessels; vein and arteries comprises three layers.

  • Tunica intima (most inner and thin layer)
  • Tunica media (middle and thick layer)
  • Tunica externa (outermost layer)

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