The immune system is the complex network of organs, cells, and proteins that protects the body against infections. This defense system proce .......

The antigen and antibody reaction in which the antigen-antibody complex formed is visible in the form of clumps is called agglutination. .......

The lectin pathway (LP) proceeds like the classical pathway by activating the C3 convertase. The binding of mannose-binding proteins initiat .......