Human Health and Disease — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease5 Marks
Question
What are the two groups of cells that work for specific immunity? Explain four unique features of specific immunity.
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Answer
T-lymphocytes and B-lymphocytes work for specific immunity. Features of specific immunity are as follows:
Specificity: Specific antibody response to specific antigen.
Memory: During the first interaction of antigen with B-cells and T-cells, few cells are stored as memory cell which encounter vigorously in second infection.
Distinction between self and non-self: The immune system can recognise foreign particles and kill them without killing its own or self cells.
Diversity: The immune system provides various or diverse antibodies to kill or destroy diverse antigens.
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