Immunity is provided by

  • A
    Erythrocytes
  • B
    Lymphocytes
  • C
    Megakaryocytes
  • D
    Thrombocytes

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Their count is about $2-3$ percent of the total white blood cell count in the blood.

Explain the composition and function of plasma in detail.

$A$ person with antigens '$B$' in $RBC$ and antibodies '$a$' (anti-$A$) in the plasma belongs to the blood group

Prothrombin is a

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