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Describe how the muscles around the blood vessels can be used to control the pressure in...

Describe how the muscles around the blood vessels can be used to control the pressure in our circulatory system. What would their role be? Explain how it would work

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Answer #1

Blood vessels are lined by smooth muscles. When the blood pressure increases then the blood vessels dilate. This helps in reducing the pressure as the lumen of the blood vessel increases this causes the resistance to the flow of blood to decrease.

Now when blood pressure decreases then the blood vessels constrict. This helps in increasing the pressure as the lumen of the blood vessel decrease. As the lumen of the blood vessel decrease then the resistance to the flow of blood increases.

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