FIG. 15. Diagram of the circulation of blood 



K.A., right auricle ; L.A., left auricle ; R.V., right ventricle ; L.V., left ventricle ; 

 P.A., pulmonary artery ; A, pulmonary artery and vein of right lung ; B, pulmo- 

 nary artery and vein of left lung; (7, carotid artery to head, showing branch 

 of left subclavian artery ; D, portal vein ; E, hepatic vein ; F, hepatic artery ; 

 G, jugular vein, bringing blood from head and neck 



