What is the primary function of Myelin sheath?

What is the primary function of Myelin sheath? to supply nutrients to axon to carry waste from the axon to increase the speed at which nerve impulse travel to conduct active transport of potassium ions What makes it possible for an impulse to move from one neuron to an adjacent neuron The axon of one neuron always touches the axon of the adjacent neuron? Dendrites of one neuron always touch the axon of the adjacent neuron Neuro transmitters are released from the dendrites of one neuron and diffuse to the axon terminal of the adjacent neuron. Neuro transmitters are released from the axon terminal of one neuron and diffuse to the dendrites of the adjacent neuron A person suffers a stroke that results in a loss of speech, difficulty in using right arm, and an inability to solve mathematical equations. which area of the brain was dmaged? Left cerebellum Right cerebellum Left cerebral hemisphere Right cerebral hemisphere