The _____________ supply (supplies) blood to the face, nose, and mouth.
A. subclavian arteries
B. common carotid arteries
C. external carotid arteries
D. internal carotid arteries
E. cerebral arterial circle (circle of Willis)
Ans: C. external carotid arteries
Anatomy & Physiology
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Cell membranes are said to be ________ because they allow some substances to pass but not others.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Platelets normally do not adhere to the smooth endothelial lining of blood vessels, but they do stick to damaged vessels
a. True b. False Indicate whether the statement is true or false
Anatomy & Physiology
Vesicles can form from things entering the cell too
a. true b. false
Anatomy & Physiology
The function of the platelet plug is to block the blood vessel so that blood cannot flow through it
Indicate whether the statement is true or false.
Anatomy & Physiology