Question

why neurological cells are necessary
for cns

Answer 1

Glia, also called glial cells or neuroglia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system. They maintain homeostasis, form myelin, and provide support and protection for neurons.

Answer 2

Kidneys contains nephron they are the functional units of Kidneys which results in making of urine without them primary urine cannot be excreted
I hope this help you...........