The diagram given below is the functional organization of the human nervous system. identify and in the figure
<img width=230 height=125 src="https://mytat.co/uploads/question/NEURALCONTROLANDCOORDINATION-1_filesimage011.png">
Mark the following statements as true/false and choose the correct option from the codes given below
I. Neuroglial cells are the packing and supporting cells found in the brain and spinal cord
II. Oligodendrocytes is a category of glial cells that forms myelin sheaths around the axon
III. Microglia provides mechanical support to the neurons
IV. Astrocytes communicate with one another through potassium channels