| Term 
 | Definition 
 
        | Carry blood away from the heart |  | 
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        | Term 
 | Definition 
 
        | Are smallest branches of arteries |  | 
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        | Term 
 | Definition 
 
        | Are smallest blood vessels Location of exchange between blood and interstital fluid.
 |  | 
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        | Term 
 | Definition 
 
        | Collect blood from the capillaries |  | 
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        | Term 
 | Definition 
 
        | Return blood to the heart |  | 
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        | Term 
 
        | Vessel walls have ____ layers. |  | Definition 
 | 
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        | Term 
 | Definition 
 
        | inner most layer of vessel walls Internal elastic membrane
 |  | 
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        | Term 
 | Definition 
 
        | Middle layer of the vessel walls. Contain |  | 
        |  | 
        
        | Term 
 
        | Which layer has an internal elastic membrane? |  | Definition 
 | 
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        | Term 
 
        | Which layer contains concentric sheets of smooth muscle in loose connective tissue? |  | Definition 
 | 
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        | Term 
 | Definition 
 | 
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        | Term 
 
        | Which layer contains connective tissue sheath and anchors vessel to adjacent tissues in the arteries? |  | Definition 
 | 
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        | Term 
 
        | General appearance in sectional view: usually round, with relatively thick wall |  | Definition 
 | 
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        | Term 
 
        | General appearance in sectional view: Usually flattened or collapsed, with relatively thin wall. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | tunica intima: usually rippled, due to vessel constriction present. |  | Definition 
 | 
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        | Term 
 
        | tunica intima:often smooth |  | Definition 
 | 
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        | Term 
 
        | tunica media:thick, dominated by smooth muscle cells and elastic fibers. External elastic membrane present |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | tunica media:thin, dominated by smooth muscle cells and collagen fibers. |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | tunica externa: collagen and elastic fibers |  | Definition 
 | 
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        | Term 
 
        | tunica externa: collagen and elastic fibers and smooth muscle cells |  | Definition 
 | 
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        | Term 
 
        | What delivers nutrient-laden blood from capillaries of the spleen, pancreas, digestive viscera to liver sinusoids for processing |  | Definition 
 | 
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        | Term 
 
        | Drains part of large intestine |  | Definition 
 | 
        |  | 
        
        | Term 
 
        | drains spleen, part of stomach, and pancreas |  | Definition 
 | 
        |  | 
        
        | Term 
 | Definition 
 
        | drains part of stomach, small intestine, and part of large intestine |  | 
        |  | 
        
        | Term 
 
        | Left and right gastric veins |  | Definition 
 | 
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        | Term 
 | Definition 
 | 
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        | Term 
 
        | Which of the following is not a major circuit of the body? a.coronary circuit
 b.cerebral circuit
 c.pulmonary circuit
 d.systemic circuit
 |  | Definition 
 | 
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        | Term 
 
        | How do right and left common carotid arteries differ? |  | Definition 
 
        | left comes from aortic arch and the right comes from the brachiocephalic. |  | 
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        | Term 
 
        | The cerebral arterial circle (circle of Willis): |  | Definition 
 
        | provides alternate routes of blood flow in the brain. |  | 
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        | Term 
 
        | The venous blood of the brain drains into a set of _____ before draining into a vein. |  | Definition 
 | 
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        | Term 
 
        | The following veins drain into the hepatic portal vein... |  | Definition 
 
        | Renal, splenic, sup and inf mesenteric, and gastric. All except for hepatic. |  | 
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        | Term 
 
        | Which of the following describes the purpose of the hepatic portal system? |  | Definition 
 
        | All of the above. It provides the liver with oxygenated blood.
 It allows the liver to process and detoxify nutrient-rich blood from most of the abdominal organs.
 It drains blood from the liver to the inferior vena cava.
 |  | 
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        | Term 
 
        | What are the three layers of the blood vessel wall |  | Definition 
 
        | Tunica Externa, Media, Intima |  | 
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        | Term 
 
        | What plays an important role in the amount of blood flowing to a tissue (tissue perfusion) |  | Definition 
 
        | smooth muscle cells in the blood vessel walls |  | 
        |  | 
        
        | Term 
 
        | What plays an important role in blood pressure? |  | Definition 
 
        | smooth muscle cells in the blood vessel walls. |  | 
        |  |