Usually There Is Only One Capillary Bed Between an Artery

question 18

Multiple Choice

Usually there is only one capillary bed between an artery and vein; an exception to this is the

• A) coronary vessels that serve the heart.
• B) pulmonary system that serves the lungs and where all factors are reversed.
• C) hepatic portal system which runs from the capillary bed in the intestine to the capillary bed in the liver via a hepatic portal vein.
• D) brain circulation which requires special continuous blood flow.
• E) large bones that lack capillaries but are fed by an artery/vein system.

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