Year 9 Diseases Revision

What are the two parts of the nervous system?

• Central nervous system and peripheral nervous system

• Peripheral nervous system and Overall nervous system

• Central nervous system and West nervous system

• The nervous system does not have two parts.

A nerve cell that is the basic working unit of the brain and nervous system which processes and transmits information

• axon
• neuron
• dendrite
• neurotransmitter

This insulating material forms a layer, around the axon of a neuron.  It enables electrical signals to travel down the axon at higher speeds.

• neuron
• myelin sheath
• dendrite
• neurotransmitter

A

• Dendrite
• Axon
• Axon Terminal
• Cell Body

E

• Synapse

• Cell Body (Soma)

• Axon

• Dendrite

B

• Dendrite
• Axon
• Axon Terminal
• Cell Body

What part of the neuron receives the message from the previous neuron?

• Terminal Fibers
• Dendrites
• Cell Body
• Myelin

Type of neuron located only in the brain and spinal cord that pass impulses from one neuron to another.

• Motor Neuron

• Interneuron

• Sensory Neuron

Type of neuron that perceive information about your environment.

• Motor Neuron

• Interneuron

• Sensory Neuron

The central nervous system is comprised of all the neurons in the brain and the ____.

• Spinal Cord
• Cerebellum
• Medulla
• Pons