Chapter 22, Problem 7CP

Summary Introduction

To review:

The functions of tonsils, lymph nodes, and spleen.

Introduction:

The lymphatic organs and tissues are categorized into primary lymphatic organs and secondary lymphatic organs. Most of the immune responses take place in the secondary lymphatic tissues, which include spleen, lymphatic nodules, and lymph nodes. Spleen and lymph nodes are considered as organs, while lymphatic nodules are not as they lack a capsule of connective tissue.