Produce myelin in the peripheral nervous system.

CNS myelin is produced by special cells called oligodendrocytes. PNS myelin is produced by Schwann cells. The two types of myelin are chemically different, but they both perform the same function — to promote efficient transmission of a nerve impulse along the axon.

answer; ///first blank (50) fellowships points; second blank; // (5 year);

the trait of personality falls in the middle of the diagram because personality is a mixture of ones nature and environment.