Key Terms

Question 1

CNS

Answer 1

Brain and spinal cord

Controls activities in the body

Question 2

The Brain

Answer 2

Coordinating centre of sensation and information

Question 3

Spinal cord

Answer 3

Forms the CNS and connects all of the body to the brain

Question 4

Peripheral NS

Answer 4

made up of somatic(SNS) and autonomic nervous systems(ANS)

Question 5

SNS

Answer 5

Made of neurons which influence voluntary movements of the body.

Question 6

ANS

Answer 6

responsible for converting external stimuli from the environment into electrical impulses

Question 7

Relay Neuron

Answer 7

They allow sensory and motor neurons to communicate

Question 8

Motor neuron

Answer 8

Allows impulses to pass from the brain or spinal cord to a muscle or gland in the body.

Form synapses with muscles and control their contractions.

Question 9

Dendrites

Answer 9

They are connected to the cell body and are the control centre of the neuron.

Question 10

Cell body

Answer 10

Made up of the axons and dendrites

Question 11

Axon

Answer 11

part of a nerve cell along which impulses are directed from the cell body to other cells.

Question 12

Myelin sheath

Answer 12

insulative layer around the axon which helps the nerve impulse to travel faster along the axon

Question 13

Terminal buttons

Answer 13

Part of the axon which helps with the release of neuro transmitters.