Is the immune system an organ system?

The immune system of the human body is made up of entire organs and vessel systems like the lymph vessels, but also of individual cells and proteins. The inner and outer surfaces of the body are the first barriers against pathogens (germs). read more

The organs of the immune system protect your body. Let's look at each organ and learn what it does. The immune system is a collection of organs, cells and specialized tissue that work together to defend your body against harmful bacteria and viruses (pathogens). read more

The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease. To function properly, an immune system must detect a wide variety of agents, known as pathogens, from viruses to parasitic worms, and distinguish them from the organism's own healthy tissue. read more