Watch this animation (http://openstaxcollege.org/l/bloodflow1) to see how blood flows to the brain and passesthrough the circle ofWillis before being distributed through the cerebrum. The circle of Willis is a specializedarrangement of arteries that ensure constant perfusion ofthe cerebrum even in the event of a blockage of one ofthe arteries in the circle. The animation shows the normaldirection of flow through the circle of Willis to the middlecerebral artery. Where would the blood come from if therewere a blockage just posterior to the middle cerebral arteryon the left?
Watch this animation (http://openstaxcollege.org/l/bloodflow1) to see how blood flows to the brain and passesthrough the circle ofWillis before being distributed through the cerebrum. The circle of Willis is a specializedarrangement of arteries that ensure constant perfusion ofthe cerebrum even in the event of a blockage of one ofthe arteries in the circle. The animation shows the normaldirection of flow through the circle of Willis to the middlecerebral artery. Where would the blood come from if therewere a blockage just posterior to the middle cerebral arteryon the left?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Watch this animation (http://openstaxcollege.org/l/
bloodflow1) to see how blood flows to the brain and passes
through the circle ofWillis before being distributed through the cerebrum. The circle of Willis is a specialized
arrangement of arteries that ensure constant perfusion of
the cerebrum even in the event of a blockage of one of
the arteries in the circle. The animation shows the normal
direction of flow through the circle of Willis to the middle
cerebral artery. Where would the blood come from if there
were a blockage just posterior to the middle cerebral artery
on the left?
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