ICSE Class 9 Answered
What is immunity
Asked by md.saiyed5555.9sdatl | 21 Apr, 2020, 08:01: PM
Expert Answer
The ability of an organism to resist a particular infection by the action of specific antibodies or white blood cells is called immunity.
There are two types of immunity-
(i) Natural immunity which is by birth.
(ii) Acquired immunity that develops during life time due to exposure to a disease.
Answered by | 21 Apr, 2020, 11:56: PM
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