A STUDY OF THE CIRCULATION OF BLOOD 145 



Arch of aorta\ ^ 



f?/g/7t ventr/c/e . . . 



/r/ferior vena cava 

 Ve/rrs from- ----- 



crorfa fo /ntest/nes 



ras?c/?es of-" 

 aorta to fefs 



^ /e/ns fro/nfreffcf 

 ' f jugular veins) 



''" -Arteries fo heard 

 ,..-.'* fcarofta arteries 



J/e/n from arm 



A/tery to arm 



~r/?orac/c aorta 

 \--Stomacr? 



l\ 1 I rar>cf> ofaorta to 



-\~1lu stofr?ach,sp/ee? 



Sp/eer? 



-tfarafict/ artery 

 U/r/ar artery 



"* Branches of aorta 

 to kiofneys 



Artery to /e$ /ferr/ora/j 

 --- few from tea 



FIG. 56. The Systemic Arteries (red) and Veins (blue). 



brings to the same auricle the blood from the lower part of 

 the body. One portion of this lower venous system, however, 

 requires special description. 



The Portal System of Veins. The blood from the spleen, the 

 pancreas, the stomach, and the intestines takes a somewhat 



