I believe it is<span> catalyst.
I hope this helps.</span>
Ticks .
Characters : 2 Body segments , 8 legs and No Antenna .
I know why farmers use fertilizers..... to provide nutrition for the plant
The correct answer is microglia.
<span>Microglia is glial cells found in the central nervous system with the protective role. Because they are the resident macrophage cells, they act as the first and main form of active immune defense. Microglia is constantly cleaning the CNS for plaques, damaged or unnecessary neurons, and infectious agents, like viruses or other microorganisms.</span>
