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The Set of Items That Serve as Media of Exchange

question 98

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The set of items that serve as media of exchange clearly includes


Definitions:

Arteriovenous Anastomosis

Vessel through which blood is shunted from an arteriole to a venule without passing through the capillaries.

Arteriole

A small artery that leads into capillaries, controlling blood flow and pressure by the contraction and relaxation of its muscular wall.

Venule

Small blood vessels that allow deoxygenated blood to return from capillary beds to larger blood vessels called veins.

Arteries

Blood vessels that carry oxygen-rich blood away from the heart to the body.

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