Page 52 - Pressure 10 class
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1. Syringe: A syringe is a medical instrument which is used to insert


          drugs into the body and to take out blood from the body of patients.




























  Construction;



  ❑A syringe has an air-tight piston, storage cylinder(barrel) and needle.


  ❑A hollow needle is attached to the storage cylinder.


  ❑Its piston is slides smoothly inside the cylinder.



  ❑When the plunger handle is pulled, fluids are drawn into the storage

       cylinder.



  ❑This fluid is forced out through the needle when the handle is pushed.

        July 30, 2020                      Taranath Baral/GC Shiba/Suraj Thapaliya                                                      52
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