The ______are cells that release neutralizing chemicals that kill bacteria and themselves in the process.
a. monocytes
b. macrophages
c. basophils
d. neutrophils

Respuesta :

b. macrophages

Macrophage cell use acid to kill bacteria and fight infection in the human body but it can also replicate the bacteria so it kills itself off. So duplicates beforehand and attacks the bacteria before it spreads.