92 THE ENGINES OE THE HUMAN BODY 



nourishment was conveyed from the stomach and bowel 



i 



To head 



To arm 



R.A.uricle 



Upper (7a vol 

 vein 



-Aorta. 



Pulmonary artery 

 (to lungs.) 



-- L. Auricle 



' 'L-.Venl'ricle 



— R. Ventricle 



lrortol vein 



mac n 



Liv> 



Lower Cava!,' 

 vetn 



Fig. 25.— A diagram to illustrate what Harvey was taught concerning the 

 veins and arteries. 



to feed the living tissues of the body. As far as the 

 veins were concerned there was apparently nothing left 

 for William Harvey to discover. 



