Diseases and Medicine - How do Vaccines Work? - The Immune System
Educational video for children to learn how certain diseases are caused and what medicines there are to fight them. The immune system is the body's defense force against diseases. It is in charge of recognizing and eliminating viruses, and other pathogenic microorganisms that may cause diseases. Sometimes, our immune system alone is not enough to protect us from certain microorganisms; and that is the reason we get sick. This is when we need medicine to relieve the symptoms and tackle the dis...