An 'antigen' is
That which acts with plasma
That which opposes the action of antibody
The stimulus for antibody production
The antibody only
It’s obvious.
‘Second line of defence' is known as
$B$-cells are lymphocytes which produce the humoral immunity. These cells are produced by
A condition that occurs when the immune system mistakenly attacks and destroys healthy body tissue is called
Definitions / Explanation : Antingen & Lymphoid organs.
For an organ transplant, it is an advantage to have an identical twin. Why ?
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