292 OUR BODIES AND HOW WE LIVE 



bleeding spot, or grasp firmly with the ringers just above 



and on both sides of the wrist. 



For injuries below the elbow, grasp the upper j>art of the 



arm with the hands and squeeze hard. The main artery 



runs in the middle line of the bend of the elbow. Tie a 



knotted handkerchief or cord 

 here and bend the forearm so 

 as to press hard against the 

 knot. 



For the upper arm, press 

 with the fingers against the 

 bone on the inner side and 

 just on the edge of the bulg- 

 ing part of the biceps muscle. 

 Take a stout stick of wood 

 about a foot long and twist 

 the cord hard with it, bring- 

 ing the knot firmly over the 

 artery (Fig. 190). 



For the foot or leg, use 

 pressure, as before, in the 

 hollow behind the knee just 



Showing how firm pressure may be made , ,, ir r j.i 



with the fingers to compress the brach- above the Calf of the leg. 



ial artery of the left arm. Some large Bend the thigh towards the 



superficial veins are also shown. i i 11 



abdomen and bring the leg up 

 against the thigh, with the knot in the bend of the knee. 



Experiment 86. To stop bleeding from the arteries. Locate the 

 principal arteries on your own person and that of a friend. Let red- 

 crayon or red-pencil marks stand for the course of the arteries. 



Now, with strings, cords, shoe strings, handkerchiefs, or strips of 

 clothing, practice tying them so as to press deeply and firmly in the 

 proper place. Let each one in the class practice on the same artery. 

 Criticise and improve one another's work. 



