Chapter 11: Immunity in Humans
In this pandemic, it is important for us to have strong immune system. The immune system protects the body against disease or other potentially damaging foreign bodies. When functioning properly, the immune system identifies and attacks a variety of threats, including viruses, bacteria and parasites, while distinguishing them from the body's own healthy tissue. In this course you will learn about how our body protect itself against pathogen through three layer of defense.