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 correct answer is D) The photovoltaic cells absorb light energy from the sun, then the energy is stored as chemical potential energy in the battery where it can be transferred to electrical energy.
