What is circle of willis and why is it important?
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The Circle of Willis is a circular formation of blood vessels in the human brain. It'simportance is that it can provide redundant blood flow should certain portions of the blood supply to the brain become occluded.
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Explanation:
Circle of Willis functions
The Circle of Willis is basically an arrangement of interconnected vascular channels that ensure that the (oxygenated) blood flow to the brain continues unimpeded, in case any of the principal suppliers are obstructed by injury, physical pressure or disease.
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