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

