Answer:
10
Step-by-step explanation:
Glia cell is also referred as "neuroglia" or "glial cells" and is described as different "non-neuronal cells" that are being present in an individual's "central nervous system" i.e, the spinal cord and the brain as well as the "peripheral nervous system" and it doesn't produce or create "electrical impulses".
Glia cells are responsible for forming myelin sheath, maintaining homeostasis, and providing protection & support to the neurons.
As per the question above, when 10 students will surround Marcia then it will be correct in demonstrating the glia cells around a specific neuron.