Biology for IGCSE & O level - Coordination And Response (Section 3 - No. 47)
What is the role of myelin sheath?
To produce neurotransmitters
To speed up the transmission of nerve impulses
To act as a receptor for neurotransmitters
To connect neurons in the CNS
Explanation
Myelin sheath insulates the axon, increasing the speed of impulse transmission.
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