How does the immune system work? Learn more ...

How does the immune system work?

April 30, 2019 CRI Staff
The immune system is the body’s natural defense system. It does not reside in one single part of the body—rather, it is made up of a network of cells, molecules, tissues, and organs working together to protect the body. Each of these elements plays a key role in how the immune system works and its function as a whole, which is crucial to preventing infection or disease, including cancer.

The body’s powerful immune system can protect us against cancer, and is capable of eliminating tumors that have formed. Immunotherapy is a class of treatments that taps into the immune system’s power. By doing so, immunotherapy can enable the immune system to target and potentially cure all types of cancer, ultimately saving more lives.

There are two branches of the immune system, the innate immune system and the adaptive immune system. The innate immune system provides a general defense against common pathogens (any bacteria, virus, or other disease-causing microorganism), which is why it is also known as the nonspecific immune system. The adaptive immune system targets specific threats and learns how to launch precise responses against viruses or bacteria with which the body has already come into contact. The various components of the immune system work together to provide both types of protection.