| Term 
 
        | What circulatory circuit carries blood from the heart to the body and back to the heart? |  | Definition 
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        | Term 
 
        | What circulatory circuit carries blood from the heart to the lungs and back to the heart? |  | Definition 
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        | Term 
 
        | What is a communication between or coalescence of blood vessels? |  | Definition 
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        | Term 
 
        | What are vessels that form one-way pathways of blood vessels carrying blood away from the heart? |  | Definition 
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        | Term 
 
        | What are blood vessels that travel together? |  | Definition 
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        | Term 
 
        | What is the general term that describes the layers of tissue forming the walls of a blood vessel? |  | Definition 
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        | Term 
 
        | Blood flows through what space within a blood vessel? |  | Definition 
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        | Term 
 
        | Functionally, what makes an artery an artery? |  | Definition 
 
        | Arteries carry blood away from the heart. |  | 
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        | Term 
 
        | What are the three types of arteries? |  | Definition 
 
        | Elastic arteries Muscular arteries
 Arterioles
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        | Term 
 
        | What type of artery is able to withstand the strong pulsations of the ejected blood as well as reduce the force of the pulsations somewhat so that the pressure of the arterial blood equalizes slightly as it reaches smaller arteries and capillaries? |  | Definition 
 
        | Elastic arteries (conducting arteries) |  | 
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        | Term 
 
        | What are some examples of elastic arteries? |  | Definition 
 
        | Aorta Pulmonary artery
 Brachiocephalic artery
 Common carotid artery
 Subclavian artery
 Common iliac artery
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        | Term 
 
        | What type of artery has less elastic tissue and more smooth muscle and thus are less distenible but more able to vasoconstrict and vasodilate? |  | Definition 
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        | Term 
 
        | What are some examples of muscular arteries? |  | Definition 
 
        | Brachial artery Anterior tibial artery
 Coronary artery
 Inferior mesenteric artery
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        | Term 
 
        | What is the smallest type of arteries? |  | Definition 
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        | Term 
 
        | What blood vessels consist of a single layer of endothelium and are the functional units of the cardiovascular system? |  | Definition 
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        | Term 
 
        | What type of blood vessel carries blood back to the heart? |  | Definition 
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        | Term 
 
        | What type of vein carries oxygenated blood? |  | Definition 
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        | Term 
 
        | What is the smallest type of vein? |  | Definition 
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        | Term 
 
        | How do veins differ structurally from arteries? |  | Definition 
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        | Term 
 
        | What specific blood vessel carries blood away from the left ventricle of the heart? |  | Definition 
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        | Term 
 
        | From what blood vessel do the right and left coronary arteries emerge? |  | Definition 
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        | Term 
 
        | The ascending aorta leads into what other segment of the aorta? |  | Definition 
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        | Term 
 
        | Following the flow of blood from the heart what is the first branch of the aortic arch? |  | Definition 
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        | Term 
 
        | The brachiocephalic trunk bifurcates into what two arteries? |  | Definition 
 
        | Right common carotid artery Right subclavian artery
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        | Term 
 
        | Following the flow of blood from the heart what is the second branch of the aortic arch? |  | Definition 
 
        | Left common carotid artery |  | 
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        | Term 
 
        | Following the flow of blood from the heart what is the third branch of the aortic arch? |  | Definition 
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        | Term 
 
        | What region of the body do the subclavian arteries supply? |  | Definition 
 
        | Upper extremity Some thoracic structures
 The brain via the vertebral arteries
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        | Term 
 
        | What region of the body do the common carotid arteries supply? |  | Definition 
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        | Term 
 
        | The aortic arch leads immediately into what other segment of the aorta? |  | Definition 
 
        | Descending thoracic aorta |  | 
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        | Term 
 
        | Once the descending aorta passes through the diaphragm it is known as what? |  | Definition 
 
        | Descending abdominal aorta |  | 
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        | Term 
 
        | At what level of the vertebral column does the aorta end? |  | Definition 
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        | Term 
 
        | The aorta terminates by bifurcating into what two arteries? |  | Definition 
 
        | Left and right common iliac arteries |  | 
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        | Term 
 
        | The bifurcations of the abdominal aorta themselves bifurcate into what two arteries? |  | Definition 
 
        | Internal iliac arteries External iliac arteries
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        | Term 
 
        | What blood vessel returns blood from the lower limbs, pelvis and perineum, and abdominal structures to the right atrium of the heart? |  | Definition 
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        | Term 
 
        | Veins that drain the head, neck, and upper limbs merge to form what vessels? |  | Definition 
 
        | Left and right brachiocephalic veins |  | 
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        | Term 
 
        | Vessels formed by the merging of veins draining the head, neck, and upper limbs themselves merge to form what vessel, which then drains into the right atrium of the heart? |  | Definition 
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        | Term 
 
        | The common carotid arteries bifurcate into what arteries? |  | Definition 
 
        | External carotid arteries Internal carotid arteries
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        | Term 
 
        | The external carotid artery terminates by dividing into what two arteries? |  | Definition 
 
        | Maxillary artery Superficial temporal artery
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        | Term 
 
        | What vein draining the head can often be seen superficial to the sternocleidomastoid? |  | Definition 
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        | Term 
 
        | What deep vein draining the cranial cavity begins at the jugular foramen of the skull? |  | Definition 
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        | Term 
 
        | The external jugular vein drains into what vein? |  | Definition 
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