Answer:
D. Microglia
Explanation:
Microglia are phagocytic, which means that they are cells that can engulf other cells and particles. Microglia protect the CNS by engulfing foreign particles and bacteria. They act also as a clean-up crew that help remove dead cells. They are found in both the brain and spinal cord, which make up the Central Nervous System, or the CNS. 
 
        
             
        
        
        
The answer 4 the above question sounds like a vitamin D deficiency.
        
             
        
        
        
Answer:
do you have the rest of the answers? i really need them. 
Explanation: