Tour the Immune System
An Organ-by-Organ Introduction to the Immune System

By Charles Daniel, About.com Guide

Updated March 06, 2009

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

See More About:

The organs of the immune system protect your body. Let's look at each organ and learn what it does.

Images 1-9 of 9

Immune System: An Extensive Protection	It's Crowded in Your Blood	Make No Bones About It, Marrow Is Important	A Closer Look at Blood Cells
Macrophages: Nature's Garbage Disposal	Lymph: Kind of Like Blood Except It's Not	Lymph Nodes: Filter Stations for Lymph	What's the Spleen? Here's an Ex-Spleen-ation
Thymus, Where Art Thou?

Also from About.com: