Question

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

Answer 1

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.