ജി.എച്ച്. എസ്.എസ്. പെരുവള്ളൂർ/അക്ഷരവൃക്ഷം/Immunity
Immunity
Immunity is the ability of the body to defend itself from 'foreign bodies' . This means rejecting infections, clearing up dust which gets in the lungs, and killing cancer cells . Vaccination builds on the natural immune system to make a person resist certain diseases All animals, plants and fungi have some innate immunity. Vertebrates also have adaptive immunity.
സാങ്കേതിക പരിശോധന - Mohammedrafi തീയ്യതി: 05/ 05/ 2020 >> രചനാവിഭാഗം - ലേഖനം |