Biology, asked by Sardar7451, 11 months ago

Which blood vessels have an outer layer of elastic in their walls?

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Answered by Sharifilhaam
0

white blood cells (erathrocytes)

Answered by Anonymous
3

Image result for Which blood vessels have an outer layer of elastic in their walls?

The outermost layer of an artery (or vein) is known as the tunica externa, also known as tunica adventitia, and is composed of collagen fibers and elastic tissue - with the largest arteries containing vasa vasorum (small blood vessels that supply large blood vessels).

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