Biology, asked by tharunankallagalla, 4 months ago

What acts upon a blood vessel and alters it diameter?

Answers

Answered by MissStunning2007
1

The presence of elastin in the largeblood vessels enables thesevessels to increase in size andalter their diameter. When anartery reaches a particular organ, it undergoes a further division into smaller vessels that have more smooth muscle and less elastic tissue.

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