In the Context of Neurons, Which of the Following Statements

Multiple Choice

In the context of neurons, which of the following statements is true of the myelin sheath?

A) It is a layer of fat cells that insulates axons and helps electrical signals travel faster down the axon.
B) It is a fiber that carries signals away from the cell body of a neuron.
C) It is a fiber that carries signals toward the cell body of a neuron.
D) It releases chemicals called neurotransmitters into synapses, which are tiny gaps between neurons' fibers.