The pathway of nerve impulse of a reflex action.

The average human brain weighs about ______.

The axon is covered by a sheath called ________.

_______ connect the sense organs to the brain.

________ is the largest region of the brain.

The membranous covering of the brain is called ________.

 _____ is the control centre of the nervous system.

______ is the part of the brain that coordinates voluntary muscle activities.

An electrochemical wave that moves through the nerves are called _____

 ______ is the pathway for information connecting the brain and the peripheral nervous system.