FIG, 33. CIRCULATION OF THE BLOOD. 

 c a P 



Two halves of the Heart a little separated, g Left side, a Aorta, cap Capillary 

 vessels which terminate the artery, v Venous system, d Right side of the Heart, a f 

 Pulmonary artery, v p Pulmonary vein. The arrows show the course of the blood. 



FIG. 34. SUPERIOR MESENTERIC ARTERY. 



It arises from part of the Aorta and supplies the Mesentery with blood. It also sends 

 off branches to the Intestines. The course of the Colon is shown in the figure. 



