Objective

                                                                

Recognize the difference types of Immunities. 

Recognize how the Immune system works.

Introduction

The immune system is made up of proteins, organs, special cells and tissues, defends people against germs and microorganisms every day. In most cases, the immune system does a great job of keeping people healthy and preventing infections. But sometimes problems with the immune system can lead to illness and infection. The immune system plays an important part in our daily activities because whenever we get a cut in any part of the body and germs, bacteria viruses or other organisms want to invade our bodies, our immune system start working against these organisms. We find that leukocytes are vital in the process of killing these strangers on our bodies. One you get to understand the function of the immune system you will be amused to know how special we humans are, more complex of what we think.