Nervous tissue is made up of neurons and neuroglial cells. Point out which of the following statement about these : cells is false - ·

I. Neuroglia make up more than one-half the volume of neural tissue in our body

II . Neuroglia protect and support neurons

Ill. When a neuron is suitably stimulated, an electrical disturbance is generated which swiftly travels along its cytosol~

IV. This disturbance at the neuron endings triggers stimulation or inhibition of adjacent neurons or other cells ·