This is the fourth video of our diabetes series, "Taking charge of our child's diabetes." In this video, you will learn about insulin. The video answers the following questions: What is insulin and how does it work in our body? What is the difference between the different types of insulin? (Rapid Acting, Short Acting, Intermediate, Long Acting). How often does your child need to take insulin? This video also demonstrates how to deliver insulin using the syringe and vial method as well as the Insulin Pen method.