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i: I tABNMilDfiTE NAME AdC $'of'Hodd Csels , i: Microscopic Structure of the Blood Vessels l.Usetlrekeychoicestoidentifythebloodvesseltunicdescribed. Key: tunica externa tunica media tunica iatima 1. most internal tunic 2. bulky middle tunic contains smooth muscle and elastin tfilrAn tXh)iWt3. its smooth surface decreases friction I i'u{ iwr 4. runic or capinaries aX lf+,v6- i,tff,vv'tlt, 5. tunic(s) of arteries and veins 1, ,/Y'l\Lrvl- -046'*A 6. tunic that is especially thick in arteries 7. most suPerficial tunic circulatory system' Explain tnis servicing the capiilaries is the basic function of the organs of the 6 ^tn.lr./.ru tLti/a) r'l ,i nu,ft*|db, c.o.s-s"Jctional views of an artery ad of a vein lxr',.+oi q'r6*c' tt'Ltl/'Al 07V( tement. I related questions th: are shown he.re. Identify each. Also respond to the fbllow lVhich of these vessels may have valves? 7 tl ourr, along? Which ol these vessels depen<ls <ln its elasticity to propel blood 55 Review Sheet tl"re walls of arteries relatively thicker than those of the corresponding veins? Major Systemic Arterier and Veins of the Body Key: 1. the arterial system has one of these; the venous system has two anterior tibial basilic 2. these arteries supply tbe myocardium 3. the more anterior artery pair serving the brain '4 cephalic 5. artery on the foot checked after leg surgery 6. serves the posterior thigh 8. formed by the union of the radial and ulnar veins 0 common carotid common iliac coronary deep femoral 7. supplies the diaphragm l' brachiocephalic celiac trunk 4. bng"rrvein in the body , CnX brachial t ' 9. two superficial veins of the arm dorsalis pedis external carotid femoral gonadal ^ lo. artery serving thekidney I 1. testicular or ovarian veins autery that supplies the distal half of the large intestine 13. drains the IVr^ t2, .( pelvic organs and lower limbs great saphenous inferior mesenteric internal carotid internal iliac fibularis phrenic . ''fu* 14. what the extemal iliac vein drains into in the pelvis 15. major artery serving the arm ropplies most of the small intestine 17. rvhat the i'emoral artery becomes at the knee popliteal ppsterior tibial radial renal subclavian superior mesenteric 18. an arterial trunk that has three major branches. which run to the Iil'er, spleen, and stomach 19. major artery serving ttTsnin and scalp of the head U4nt*w&'rl&u+tvt W,ttryoaUp*ttt , fuA^Ilru<ud /4//h/ vertebral ?o inin rnr veins rhar that join. forming the popliteal vein 20. rwn two rzcine 21. uterygeneralty used to take the putse at the wrist Review Sheet z. page and the next. Identiff all indicated blood vessels' The human arterial and venous systems are diagrammed on this *y"@ i^f'u(a u,hrd{ @r*b/hl ?*-*7 a4i-4 &AUtltzwra b/dd,{"(' /nr,**b' '{,/"bt' ;-ar,Oal &. vilMArL pilu) edot('^ 57 Review Sheet v'if' l4 . irtt tt( 0/zutl-P't/ I nr^ffiffi ,^. p,/,4/t"i'*/, *-' h*a ai o auV.la lc /z' * i Ufu/at *v'2'''* n 4{r :h)^".(.d/ ' luf't" rl, t,turi/'t"uc ffiffif[;a,tn, tlz.tu,-t {t ,/ t .,| 1to ufut',ttu ,.wfr^ f, ut@qa( *.y2,;ur,,( ry/**a* 1,Ut"*+'a- /'L447 *t*tt ';;t**- -ff fll tt It ll t x ,.iltd ,/,14", -;r1{.;" "n-' {\{..." ,ir 58 Review Sheet 3. Trace the blood flow for the following situations: a. From the capillary beds of the left thumb to the capillary beds of the right thumb b. From the pulmonary vein to the pulmonary artery by way of the right side of the brain Special Circulations Pulmonary circulation: l. Trace the pathway of a carbon dioxide gas molecule in the blood from the inferior vena cava until it leaves the bloodstrear Name all structures (vessels, heart chambers, and others) passed through en route. ) 2. llnlilu ^,4 U"lil l!;, Truce the pathway of an oxygen gas molecule from an alveolus of the tures through which it passes. *ry**- heart. Name all strur 59 Review Sheet 3. Most arteries of the adult body carry oxygen-rich blood, and the veins carry oxygen-depleted, carbon dioxide-rich blood. What is different about the pulmonary arteries and veins? 4. What is the source of blood in the Why is this blood carried to the liver before it enters the systemic circulation? 6. The hepatic portal vein is formed by the union of the ich drains the trA? (vla the lntenor ?44 which drains the fy" OYAe+6.CaI and vein, which drains the lesser curvarure of the stomach, empties directly into the hepatic portal vein. 7. Trace the flow of a drop of blood from the small intestine to the right atrium of the hea-rt, noting all structures encountered or passed tfuough on the way Arterial supply of the brain and the circle of Willis: 8. Branches ofthe internal carotid and vertebral arteries cooperate to form a ring of blood vessels encircling the pituitary gland, at the base of the brain. What name is given to this communication network? what is it" rrn rir^i? qa't'w'/tatbru ak'cnzq'h lLf, 9. L@ I Ie cerebral t Both the anterior and middle cerebrai aderies arise fiom the arteries 10. Trace the usual pathway of a drop of blood from the aorta to the left occipital lobe of the brain, noting all structures through which it flows. Aorta r ----.-,}> 4t ---.>- -J-l left k,t,cPtLd( *rt)'"'' Review Sheet Fetalcircuration: 1 ''?1- %rr,r<.-/4r/ 1. The failure of two of the fetal bypass structures to become obliterated after birth can cause congenital heart disease, in which the yolmgster would have improperly oxygenated blood. Which two structures are these? 12. For each of the following structures, indicate its function in the fetus. Circle the blood vessel that carries the most oxygenrich blood. Functlon in fetus Structurc ,rtft,e.6?acz*a Umbilical artery Umbilical vein Ductus venosus g,U4^f/k-1f,/-, Ductus arteriosus Foramen ovale 13. What organ serves Cred its ILI.UTIRATIOI{' 2,3. Imagineering :/ur*bg as a respiratory/digestive/excretory organ for the fetus? rtr*U<rt*