Cách sử dụng
A syringe is a medical tool that is used to inject medicine or other liquids into a person's body. It looks like a long thin tube with a little needle on one end. It is often used by doctors or nurses to give someone a shot, like a vaccine. It can also be used to draw blood for testing or to give fluids through an IV. It is important to use a syringe properly and safely, so it is usually done by trained medical professionals.