The human body's skin and internal mucous membranes function as physical barriers to prevent infection from bacteria present in the environment.

Authors

• Person: Not available Organization: IGCares
  How the Immune System Works with Primary Immunodeficiency

Sources

• How the Immune System Works with Primary Immunodeficiency igcares.com IGCares via serper

Referenced by nodes (3)

• infection concept
• skin concept
• bacteria concept