Why do myelinated axons conduct impulses much faster than unmyelinated axons
A)The myelin sheath insulates the axon.
B)Voltage gradually decreases through myelinated areas.
C)The distance between the nodes is short enough.
D)The fibre diameters are small.

Question

Quizplus · Accepted Answer

The myelin sheath insulates the axon and prevents ion leakage, allowing the action potential to jump from node to node along the axon, which speeds up impulse conduction.

Why Do Myelinated Axons Conduct Impulses Much Faster Than Unmyelinated