In which one of the following options the two examples are correctly matched with their particular type of immunity ?

Options

A. `{:("Examples","Type of immunity"),("Polymorpho nuclear leukocytes and monocytes","Celluar barriers"):}`
B. `{:("Examples","Type of immunity"),("Anti - tetanus and anti- snake bite injections","Active immunity"):}`
C. `{:("Examples","Type of immunity"),("Saliva in mouth and tears in eyes","Physical barriers"):}`
D. `{:("Examples","Type of immunity"),("Mucus coating of the epithelium lining the urinogenital tract and the HCl in stomach ","Physiological barriers"):}`

Answer

A