346 



THE PRESERVATION OF HEALTH 



desirable. That of the arm runs in the middle of the 

 inside of the elbow (Fig. 140) and along the middle of 

 the under side of the upper arm, just opposite the arm- 



Fig. 140. The left upper 

 arm. 



The dotted line indicates the 

 course of the main artery (the 

 brachial) . 



Fig. 141. -The right thigh. 



The dotted line indicates the 

 course of the main artery (the 

 femoral) . 



pit. Iii the leg the main artery is in the middle of the 

 hollow behind the knee and in the middle of the hollow 

 between the thigh and the trunk (Fig. 141). 



496. To stop bleeding from a vein, apply pressure 

 between the cut and the extremity, that is, on the side 

 away from the heart. 



Bleeding from the nose may often be stopped by apply- 

 ing cold water, snow, or ice to the back of the neck, the 



