Question

Briefly explain vasodilation & vasoconstriction. ( 5 marks )



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Answer 1

Answer:

Vasoconstriction is important for minimizing acute blood loss in the event of hemorrhage as well as retaining body heat and regulating mean arterial pressure. Dilation, or opening of blood vessels, is termed vasodilation. Vasodilation occurs through relaxation of smooth muscle cells within vessel walls.

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Answer 2

Answer:

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*crying eyes*

why you dont come online on brainly

I am soo soo sad