by on August 29, 2020
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A syringe contain a piston in a tube. It is used to draw liquid into the tube. As the piston is drawn back ; atmospheric pressure pushes the liquid into the tube . The Liquid can then be pushed out in opposite  reaction.

Syringe are used to inject drug into the body in Hospital.

 

 

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Posted in: Education
Topics: the syringe
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