Blood supply to the brain forms a circular pathway called the
A)hypophyseal portal system.
B)circle of Willis.
C)hepatic portal system.
D)brachiocephalic circle.

Question

Quizplus · Accepted Answer

The circle of Willis is a circular pathway formed by the interconnected arteries at the base of the brain. It provides collateral blood flow to the brain, ensuring that the brain receives a continuous supply of oxygen and nutrients even if one of the arteries becomes blocked or damaged. The other choices, A, C, and D, are all unrelated to the blood supply to the brain.

Blood Supply to the Brain Forms a Circular Pathway Called