<human>: What are the different types of syringes and how are they used?
<bot>: The most common type of syringe is a hypodermic syringe. It is used to inject medication into or extract blood from a person's body. A second type of syringe is an insulin syringe, which is used to deliver insulin to people with diabetes. An insulin syringe typically has a longer needle than a regular hypodermic syringe. A third type of syringe is a blood transfusion syringe, which is used to transfer blood from one container to another.