Which are the physical (p), chemical (c), and biological (b) immune responses? p: complement system; c: saliva; b: coughing p: coughing; c: saliva; b: complement system p: coughing; c: sneezing; b: complement system p: complement system; c: saliva; b: sneezing

The correct answer is (B) (P)coughing; C: saliva; B: complement system

The physical immune response is coughing where the mucous is expelled out with the dust particles to prevent the harmful dust particles from entering inside the body. The chemical immune response is saliva secretion in which various enzymes such as lysozyme.The complement system is the biological immune response that requires antigen-antibody complex formation for their action.