Lymphatic System(immune system

How can our body heal? Well, the body is a hell of a racket because it can heal itself. But how the heck does this body heal? Well, our body has White blood cells and it is in our Blood. Now, imagine if a needle hit your index finger. Let's follow the steps to healing. First, come and stick to the surface like glue to cover it. This causes a scar. after that, White blood cells guard it and then, they heal! 
Category:Biology