Answers

Pankaj
Jul 28, 2020

Types of immunity system in human are:
(i) Innate immunity, acquired immunity or humoral immunity system and cell mediated immunity system.
(ii) Cells mediated immunity is so called as it involves specialised cells, the T-lymphocytes.
Humoral immunity is so called because it includes antibodies, which are found circulating in body fluid, the blood (humors-body fluids).