What makes neurons excitable cells?

What makes neurons excitable cells?
  1. Their membranes are polarised.
  2. Their membranes are non-polarised.
  3. Their membranes are partially polarised.
  4. Their membranes are impermeable to ions.

Solution

Neurons are excitable cells because their membranes are in a polarised state, meaning the electrical potential difference across the membrane is maintained by ionic gradients.

Asked in: NCERT

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