2 doctors weighed in:

Are the lungs, spleen, lymphatic vessels and bone marrow all part of the immune system?

2 doctors weighed in
Dr. Michael Zacharisen
Internal Medicine - Allergy & Immunology
1 doctor agrees

In brief: Yes and more

The major organs that produce cells key for the immune system are the bone marrow, spleen, lymph nodes and thymus.
However, there are very active immune cells in most tissues including the skin, GI tract including liver and lungs.

In brief: Yes and more

The major organs that produce cells key for the immune system are the bone marrow, spleen, lymph nodes and thymus.
However, there are very active immune cells in most tissues including the skin, GI tract including liver and lungs.
Dr. Michael Zacharisen
Dr. Michael Zacharisen
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