The myelin sheath is formed by

  1. muscle fibres
  2. Schwann cells
  3. red blood cells
  4. neurones themselves
Answer

B) Schwann cells

Schwann cells wrap the axon. AS & A Level Biology · Topic 15 Control and Coordination · 15.1 Control and coordination in mammals

Biology MCQ · More A Level Biology: Control and coordination MCQs · Practise