Nervous System

Nerves, the brain, and the spinal cord make up the :

• Central Nervous System

• Peripheral Nervous System

• The Nervous System

• The Ganglion

The brain and spinal cord form the:

• CNS (Central nervous system)

• PNS (Peripheral nervous system)

• ANS (Autonomic Nervous System)

The brain and spinal cord consist of two types of matter - grey and white. Which contains nerve cells and is well supplied with blood vessels?

• Grey matter

• White matter

The function of the nervous system is to carry messages called __________________.

The CNS is surrounded and protected by all except:

• The bone of the skull and vertebral column

• The myelin sheath

• The cerebro-spinal fluid

• The meninges

___________ is inflammation of the meninges, and it is caused by infection with viruses or, less often and more seriously, bacteria.

These neurons (nerve cells) relay impulses from the sense organs to the CNS

• Motor neurons

• Sensory neurons

• Intermediate neurons

These neurons are connecting neurons which relay impulses between neurons.

• Motor neurons

• Sensory neurons

• Intermediate neurons

These neurons relay impulses from the CNS to muscles and glands.

• Motor neurons

• Sensory neurons

• Intermediate neurons

Neurons are unusual cells in that they can be extremely ___________.