The Nervous System Flashcards

1
Q

What is the Nervous System?

A
Allows humans to react to its surrounding and coordinate a response
The CNS (Central Nervous System) is made up of the brain and spinal chord
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Relay Neurone Definition

A

Carries impulses from the sensory neurone to the motor neurone in the CNS i.e Spinal Chord or Brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Motor Neurone definition

A

Takes impulse from the relay neurone in the CNS to the effector

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the CNS

A

The CNS contains the BRAIN and the SPINAL CORD

A neurone found in the CNS is the MOTOR NEURONE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sensory Neurone definition

A

Carries impulses from the receptor to the relay neurones in the CNS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the Receptor?

A

The organ that detects the stimulus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a stimulus?

A

The experience your body faces from the external envoirment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What happens across the synapse?

A

Across the synapse between each 3 neurones, a chemical neurotransmitter is diffused

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the function of the Cell Body?

A

Contains the nucleus and cytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How are Axons insulated?

A

A fatty myelin sheath with small uninsulated sections along its length (called nodes)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly