ICSE Class 7 Answered
define Immune system
Asked by Saurabhgupta1234 | 20 Jan, 2019, 07:08: PM
Expert Answer
- The human immune system consists of lymphoid organs, tissue cells, and antibodies.
- The immune system is the body’s defense mechanism protecting against invading microorganisms as this mechanism keeps us healthy and active.
- It plays a key role in allergic reactions, autoimmune diseases, and organ transplantation.
Answered by Sheetal Kolte | 21 Jan, 2019, 12:47: PM
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