A STUDY OF THE CIRCULATION OF BLOOD 143 



distinguished: first the arch of the aorta, second the thoracic 

 or chest aorta, and third the abdominal aorta (Figs. o and 56). 



/ Cff/}///ar/es of % 



Mews from faatf 



Lymphatics from- _ . 

 bpper/wrt of body 



Opening of /ymfi/?fft/cs 

 /ffto veins 



Sujoer/or vena cai/a- - - 

 Pu/mor/crry artery --6 

 /?//? t OLi/ricfe - - 



/nfer/or i/er?aca/a -fj- 

 Se/n/'/t/rtan/a/ves ^ 



lymphatics from-- 

 <ower part of body 



Porta/ i/e/r? ** ,\ 

 fro/n 



fans from fi/&/?eys' ' ' 

 Heris from leys 



^ ^Arteries tofaad 

 &/?tf arrr/s 



,-l.eftaur/cJe 



Arc/? of aorta 



-SemJ/urtar va/ves 

 of aorta 



~ - - Chordae te/?d/rieae 

 "--rftorac/c aorta 



^"-Left ver?tr/c/e 

 Cqpiff0s/e$ ofsto/nacf/ 

 - ~/4rter/es to stomac/1, 



Ca/}///ar/es of 

 /r/fest//?e 



L -Art&rtes to mtest/ne 



Arteries to k/cfneys 



?s of fadr/eys 



'- drter/es fo teas and feet 

 * . . -Ca/y/7/artes /n/eas ana" feet 



FIG. 55. Diagram of the Pulmonary and Systemic Circulations. 



Red color indicates blood rich in oxygen. Blue color indicates blood poor 

 in oxygen. Purple color indicates blood in capillaries. 



From the top of the arch of the aorta on the right side, a 

 large trunk is given off, which soon divides into two parts: 

 one branch (the right ca-rot'id artery) runs upward through 



