Identify the options which describe the myelin sheath
P. An insulating coating on the axon of neurons
Q. It results in saltatory conduction
R. Gray neurons in the central nervous system
S. Chemical messengers that help neurons communicate
T. It decreases the speed of nerve impulse

 Neurotransmitters located in the ____________ are signaling molecules that cross the synapse and bind to ____.

Which  types of neurons transmit information between neurons?

What is the primary role of glial cells in nervous tissue?

Imagine that every neuron in a network suddenly loses half of its dendritic branches. Which effect is most likely?