Which statement is NOT true of the circle of Willis?
A) It is an arterial anastomosis.
B) The vertebral arteries contribute to it.
C) It ensures a sufficient blood supply to the brain.
D) The external carotid arteries contribute to it.
Correct Answer:
Verified
Q39: Arteries carry blood from:
A)capillaries to the heart
B)veins
Q40: In capillaries, waste products dissolved in tissue
Q41: Which of these is NOT an example
Q42: All of these arteries are branches of
Q43: The fetal structure that permits blood to
Q45: Which artery is NOT paired with the
Q46: In pulmonary circulation, blood is pumped to
Q47: The fetal structure that permits blood to
Q48: The superior mesenteric artery is a branch
Q49: The purpose of pulmonary circulation is to:
A)take
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