MOTION OF THE HEART AND BLOOD 



distance with unusual force. When the bandage is 

 loosened, and the returning channels opened, the flow 

 sinks to not more than a drop at a time. Everyone 

 knows in performing phlebotomy that if you either 

 loosen the bandage, tie below the cut, or bind the 

 limb too tightly, the blood will escape without 

 force, because in the latter the influx of blood through 

 the arteries is blocked by the tightness of the liga- 

 ture, while in the former the venous return is not 

 properly checked because of its looseness. 



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