The axons may be covered by a protective sheath called ___________.

The ___________ has a role in sleep cycle.

The autonomic nervous system is regulated by _________ of brain.

Sneezing, yawning etc are examples of ________.

__________ is not a characteristic of neuron.

The __________ is the controlling centre of all the body activities.

Neurons do not have the ability to ___________.

________ acts as a insulator.

Cyton is also called cell body or ____________.

The plasma membrane of axon is called _________.

 Each neuron can transmit _________ nerve impulses per second.

________ is the longest  cell of the human body.

The cytoplasm has granular body called ___________.  

The __________ is the second largest part of  the brain.

Neuroglia are also called as ______________.