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"),("Polymorphonuclear Leucocytes and monocytes", "Cellular barries"):}`
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 epthelium lining the urinogenital tract and the HCl in stomach", "Physiological barriers"):}`

Answer

A