Vessels
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show | arteries, capillaries, veins
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show | Arteries, capillaries
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___ return blood to the heart and become progressively ___ as they merge and are closer towards it. | show 🗑
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show | one
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Functional end arteries’ anastomosis is so tiny that they can be considered ___ ___. | show 🗑
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show | Companion
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show | tunics
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The outer tunic is ___ ___. | show 🗑
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The tunica externa is connective tissue with ___ and ___ fibers. It helps anchor the blood vessel to an organ; larger blood vessels require their own ___ ___; smaller arteries that supply larger arteries are ___ ___, which run through the tunica externa. | show 🗑
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show | tunica media
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show | tunica intima
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The tunic media is comprised of circularly arranged ___ muscle; sympathetic input causes this smooth muscle to ___ resulting in___; parasympathetic input results in ___. | show 🗑
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The tunica intima (interna) is composed of ___ ___ ___, an endothelium, lining the inside of the arteries and veins, and a subendothelial layer of ___ ___ ___. | show 🗑
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In an artery, the thickest layer is the ___ ___. The ___ and ___ fibers prevent them from collapsing. | show 🗑
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In a vein, the thickest layer is the ___ ___. They tend to ___ if there is no blood in them. | show 🗑
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The only tunic that capillaries have is the ___ ___. It consists of basement membrane and endothelium only to allow rapid ___ ___. | show 🗑
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show | straight, transverse, sigmoid
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show | dural venous sinuses
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The dural venous sinuses are formed between two layers of ___ ___. | show 🗑
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There are no ___ in the dural venous system; blood flow is NOT unidirectional. | show 🗑
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show | Systemic
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show | elastin, muscular, arterioles
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Arterioles command how much blood gets to tissue. They ___ and ___ and ___. | show 🗑
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show | carotid canal
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show | anterior, middle cerebral, opthamalic
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show | conducting
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show | largest
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show | heart
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show | elastic fibers
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show | muscular
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___ are the smallest arteries. | show 🗑
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Arterioles have <6 cell layers of smooth muscle in their ___ ___. | show 🗑
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show | three, endothelium
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Sympathetic innervation to the muscle fiber cells of the tunica media causes ___ resulting in elevation of blood pressure. | show 🗑
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show | vasodilation
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Left and right common carotid arteries supply most of the blood to the ___ and ___. | show 🗑
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show | common carotid
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show | inferior vena cava
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show | superior vena cava
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Veins are larger than ___. | show 🗑
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Smaller and medium-sized veins travel with ___ ___. | show 🗑
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Large veins travel with ___ ___. | show 🗑
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Blood pressure in veins is too low to overcome the forces of gravity; they possess ___ | show 🗑
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show | intima
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show | skeletal muscle pump
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show | capillaries
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Pressure in veins is much higher or lower than in arteries? | show 🗑
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At rest, the body’s veins hold about ____% of the body’s blood. Thus, veins function as blood ____. | show 🗑
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____ are the smallest veins. | show 🗑
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Venules are companion vessels with ____. | show 🗑
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The smallest venules are located at the distal end of a capillary bed and are called ____ ____. | show 🗑
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show | postcapillary venules
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show | veins
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The facial, superficial temporal and maxillary veins ____. | show 🗑
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Venous blood return is through the internal jugular vein or the ____ ____ vein. | show 🗑
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The internal jugular and the external jugular veins drain into the ____ vein and then into the ____ vein. | show 🗑
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show | true capillaries
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show | precapillary sphincters, vasomotion
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Vertebral arteries branch from the ____ ____ and travel through the transverse foramina of the ____ vertebrae. | show 🗑
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The vertebral arteries enter the cranium through the foramen magnum where they merge to form the ____ artery. | show 🗑
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show | cerebral arterial circle, circle of Willis
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show | ventricular systole, contraction
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show | ventricular diastole, heart
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show | brachiocephalic trunk, common carotid, subclavian
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show | thyroid, larynx, neck
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show | pharynx
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show | tongue
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show | face
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show | occipital
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The ____ ____ artery is a branch of the external carotid artery that supplies the ear and scalp around it. | show 🗑
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The external carotid artery divides into the maxillary artery and ____ ____ artery. | show 🗑
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show | descending thoracic
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show | descending abdominal
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show | common iliac
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Common iliac veins further divide into internal and external ____ ____. | show 🗑
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show | large
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show | mmHg
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____ ____ artery arises from subclavian artery and supplies the mammary gland and anterior thoracic wall | show 🗑
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Internal thoracic artery becomes ____ ____ arteries and continues on to become ____ ____ artery which supplies blood to superior abdominal wall | show 🗑
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show | inferior epigastric
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____ and ____ ____ on the left side of the vertebrae drain left side veins | show 🗑
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show | azygos
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show | superior vena cava
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the lungs are supplied by several ____ arteries that branch from the ____ ____ _____. | show 🗑
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the esophagus is supplied by ____ arteries that branch from ____ ____ ____. | show 🗑
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what are the three sources and where do they branch from that supply the diaphragm? | show 🗑
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show | phrenic nerve
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what are the three main branches of the aortic arch and which major body part is supplied by each branch? | show 🗑
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show | common carotid, vertebral
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show | three
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what three arteries supply the organs of the gi tract? | show 🗑
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what are the three branches of celiac trunk? | show 🗑
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left ____ artery supplies lesser curvature of stomach and lower esophogus | show 🗑
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show | splenic
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show | common hepatic
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what are the five branches of the superior mesenteric artery and what do they supply? | show 🗑
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show | 1. left colic artery- distal transverse colon and proximal descending colon
2. sigmoid artery- distal descending and sigmoid colon
3. superior rectal artery - rectum and upper half of anal canal
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show | hepatic portal
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show | hepatic portal
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show | 1. inferior mesenteric vein - distal part of colon
2. splenic vein - spleen, pancreas and stomach
3. superior mesenteric vein- small intestines, proximal part of colon, pancreas and sotmach
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show | hepatic
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what are the three paired arteries from the descending abdominal aorta and what do they supply? | show 🗑
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show | internal iliac
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show | 1. superior/inferior gluteal artery - glutes
2. obturator artery - medial thigh
3. internal pudenal artery - anal canal and perineum
4. middle rectal artery - lower rectum
5. uterine/vaginal artery - uterus and vagina
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what three branches arise from the celiac trunk? _____ artery, ____ artery and ____ ____ artery | show 🗑
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show | nutrients
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show | mesenteric, splenic, superior mesenteric
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left and right ____ arteries supply blood to the upper limbs | show 🗑
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as the subclavian artery passes over the lateral border of the first rib it becomes ____ artery | show 🗑
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____ artery supplies the shoulder and thoracic region | show 🗑
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show | brachial
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in the cubital fossa the brachial artery bifurcates into ____ and ____ arteries | show 🗑
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radial and ulnar arteries of the forearm anastamose and form superficial and deep ____ ____ in palm of hand | show 🗑
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show | digital
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show | anastamosis, radial
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on the dorsum of the hand ____ ____ network drains into the ____ and ____ veins | show 🗑
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show | median cubital
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show | palmer venous arches, radial, ulnar
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at the cubital fossa the radial and ulnar veins merge to form a pair of ____ veins | show 🗑
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brachial veins merge with the basilic vein to form the ____ vein | show 🗑
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show | subclavian
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show | external iliac
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show | femoral, femoral
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____ ____ artery supplies the hip joint via medial and lateral circumflex arteries | show 🗑
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show | popliteal
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show | tibial
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show | fibular
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the posterior tibial artery divides into medial and lateral ____ arteries in the foot | show 🗑
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show | dorsalis pedis
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the dorsalis pedis artery and lateral plantar artery unite to form ____ ____ | show 🗑
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____ arteries extend from plantar arch to supply toes | show 🗑
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on the dorsum of the foot a ____ ____ arch drains into the ____ ____ vein medially and ____ ____ vein laterally | show 🗑
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The great saphenous vein drains into _____ vein and the small saphenous vein drains into ____ vein. | show 🗑
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deep and digital veins of the foot drain into pairs of ____ and ____ plantar veins | show 🗑
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show | posterior tibial
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on the dorsum of foot and ankle deep veins drain into a pair of ____ ____ veins | show 🗑
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the anterior and posterior tibial veins merge to form the ____ vein in the popliteal fossa | show 🗑
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the poplitel vein curves onto the anterior thigh and becomes the ____ vein | show 🗑
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show | external iliac
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show | common iliac
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show | inferior vena cava
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what are the superficial veins that drain the upper limb? ____ and cephalic vein | show 🗑
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show | pulmonary
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Which circulation, pulmonary or systemic, has arteries that carry deoxygenated blood and veins that carry oxygenated blood? | show 🗑
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deoxygenated blood exits the right ventricle into the ____ ____ which bifurcates into right and left _____ arteries that go to the lungs | show 🗑
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show | pulmonary
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show | deoxygenated blood, gas exchange
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show | left ventricle
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how many veins and arteries are in umbilical cord | show 🗑
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show | placenta
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There are three types of capillaries: ____, ____ and ____ | show 🗑
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Continuous capillaries, the most common, are made up of endothelial cells from a continuous and complete lining (no physical holes) aided by the presence of tight junctions. Materials pass through by ____ ____ or ____. | show 🗑
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Continuous capillaries are found in ____, skin, ____, ____ and CNS. | show 🗑
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show | interstitial fluid, continuous
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Fenestrated capillaries are found in the ____ ____ of the eye, ____ glands (for hormone transport) and ____ (to filter ALL blood). | show 🗑
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show | Sinusoid
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show | anterior, parathyroid, adrenal, spleen
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show | increase, slow
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show | metarteriole, thoroughfare channel
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thoroughfare channel connects to a ____ ____ | show 🗑
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show | capillaries
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The diameter of capillaries is only slightly larger than a/an ____. | show 🗑
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show | intima
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show | Capillaries
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show | coronary
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Muscular arteries have a proportionately thicker tunica ____. They possess less distensibility and the better ability to ____ or ____. | show 🗑
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show | Muscular
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show | Muscular, elastic lamina, external elastic lamina
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