A syringe is a simple piston pump consisting of a plunger that fits tightly in a tube. The plunger can be pulled and pushed along inside a cylindrical tube (the barrel), allowing the syringe to take in and expel a liquid or gas through an orifice at the open end of the tube.

Syringe

A syringe is a simple piston pump consisting of a plunger that fits tightly in a tube. The plunger can…