Select complement activation pathways that play an important role in human innate immunity:

Complete the definition. Specialized intracellular organelles that contain hydrolytic enzymes with an optimal pH of 4.0 are called .

The complement system is an extremely powerful system comprising of rapidly acting glycoproteins, several proenzymes, and components, and it exists in an inactive state in the plasma.

Set the match between the stages of phagocytosis and their order:

List the mechanisms of innate immunity:

Select the factors influencing human innate immunity:

In the human body, the formation of hapten–carrier conjugates is the basis for development of allergic responses to drugs, such as penicillin.

Match the functions and short names of the complement system factors:

The opsonization process complicates the phagocytosis of pathogenic bacteria and viruses.

Select enzymes and biologically active peptides that are involved in the digestion of foreign bodies by phagocytic cells: