image is a derivative work of the following images: File:Respiratory_system_complete_numbered.svg licensed with PD-user 2007-12-13T19:27:48Z LadyofHats 800x900
association
endocrine
system
disease
Immune
system
disease
Lower
respiratory
tract disease
(iii) Has part
(ii) Membrane
(i) RespiratorySystem disease
Upper