Chapter 16, Problem 2SA

Summary Introduction

To explain:

The reason that body has both antibody and cell-mediated immune reaction.

Introduction:

The humoral antibody is the generation of antibodies from antigen primed $\text{B-cells}$ in the immune system. Cell-mediated immunity is the activation of ${\text{T}}_{\text{H}}{\text{ and T}}_{\text{C}}$ cells in the body after receiving foreign antigens from the environment.