Chapter 21, Problem 4WWTS

Summary Introduction

Introduction:

In order to fight against the pathogens, the human system has well organized a system called the immune system or lymphatic system that consists of a group of cells that inhabits in all organs of our body. The components of the lymphatic system are lymphatic vessels, lymphatic organs, lymph and lymphatic tissues that are composed of macrophages and lymphocytes. The lymphatic tissues are composed of different varieties of lymphocytes, natural killer cells, B lymphocytes, T lymphocytes and so forth.