Which phrase does not describe a way the human body responds to fight disease

The question is incomplete as options was not given. Here is the complete question:

Which phrase does not describe a way the human body responds to fight disease?

(1) destruction of infectious agents by white blood cells

(2) production of antibodies by white blood cells

(3) increased production of white blood cells

(4) production of pathogens by white blood cells

Explanation:

Answer is option 4, PRODUCTION OF PATHOGENS BY WHITE BLOODS CELLS.

During the fight against diseases by human, the white blood cells otherwise called leukocytes are involved in the protection of the body against infectious agents and pathogens, do not produce more pathogens rather antibodies to fight against the invading pathogens.

There is increased production of white blood cells during infection by pathogens, the infectious agents are destroyed by the white blood cells and the production of antibodies against the pathogens.

this transfer is call conjunction

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.