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A 41-year-old member asked:

Can doctors tell me what does the respiratory system need from the immune system, and vice versa?

1 doctor answer1 doctor weighed in
Dr. Michael Zacharisen
Allergy and Immunology 35 years experience
BALT: The respiratory system (lungs) has parts of the immune system in it. It is called balt-bronchial associated lymphoid tissue. There are also cells in the lining of the lung that "sample" the air for virus, bacteria, etc. These cells communicate with the immune system to eventually make antibodies that can then circulate within the body to protect from infections.
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Last updated Nov 28, 2016
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