Functions of the body related to protection against foreign substances, including infections, by specific and non-specific immune responses.
Inclusions: immune response (specific and non-specific); hypersensitivity reactions; functions of lymphatic vessels and nodes; functions of cellmediated immunity, antibody-mediated immunity; response to immunization; impairments such as in autoimmunity, allergic reactions, lymphadenitis and lymphoedema
Exclusion: haematological system functions (b430)
Lower livel: