Hello,

TheThe immune system includes white blood cells and organs and tissues of the lymph system, such as the thymus, spleen, tonsils, lymph nodes, lymph vessels, and bone marrow.

It is a network of biological processes that protects an organism from diseases. It detects and responds to a wide variety of pathogens, from viruses to parasitic worms, as well as cancer cells and objects such as wood splinters, distinguishing them from the organism's own healthy tissue.

There are 2 main parts of the immune system:

The innate immune system. You are born with this.

The adaptive immune system. You develop this when your body is exposed to microbes or chemicals released by microbes.

These 2 immune systems work together.