Impulses travels rapidly in ____________ neurons.
[Review question: Pg. No: 227]

1. Non myelinated nephrons
2. Myelinated neurons
3. All the above
4. Non myelinated neurons

The correct option is B Myelinated neurons
Neuron in which the axon is enveloped by a layer of Schwann cell membranes (sheath). Supplement. The myelin sheath that envelopes the nerve cell is crucial for faster conduction of action potential.