Answer:
Tuberculosis bacterium
Step-by-step explanation:
The macrophages represents a distinct type of white blood cell.
Macrophages function as part of the immune system by engulfing and digesting anything that is foreign to the body's immune system in a process known as phagocytosis. These foreign objects could be in form of microbes or cancer cells.
Tuberculosis is a disease caused my a bacterium known as Mycobacterium tuberculosis. It is a pathogen that directly attacks the macrophages, cells that are supposed to be the first-line responders against microbes and any other foreign object.
The bacterium enters through the alveolar of the lungs and manipulate the host's innate immune response, cellular trafficking and cells death pathway to suit its mission.