ANATOMY IV A NUTSHELL 



235 



phrenic plexus are situated near the diaphragm. The former behind the 

 stomach and the latter formed by branches from it. These plexus or plexuses 

 belong to the great sympathetic system, which govt rns tl ritary actions. 



PLATE XClV. 



FLOA- 



Boxes of i he Thorax. 





ere blow on the head may knock a man senseless bul he Mill lives. His 

 heart ami lungs still ad. being governed by the sympathetic system, but if he 

 receive^ a severe blow upon the diaphragm it may produce instant death. The 

 pugilist has learned this much about anatomy and if he were not trained to the 



