Lesson 1 - The Nervous System Flashcards
1
Q
The Nervous System
A
A specialised network of cells that act as our primary internal communications system.
2
Q
2 Main Functions Of Nervous System
A
- To collect, process and respond to information in the environment.
- To co-ordinate the working of different organs and cells in the body.
3
Q
What Is The CNS Made Up Of?
A
The brain and spinal chord
4
Q
Cerebral Cortex
A
Distinguishes our higher mental functions
5
Q
The Spinal Chord
A
An extension of the brain - connects the CNS to the PNS.
6
Q
What Does the PNS Do
A
Transmits messages to and from the CNS
7
Q
What Is The PNS Divided Into?
A
Autonomic Nervous System (ANS)
Somatic Nervous System (SNS)
8
Q
Autonomic Nervous System (ans)
A
Governs vital functions in the body e.g. breathing, heart rate, digestion, sexual arousal and stress response.
9
Q
Somatic Nervous System (SNS)
A
Controls muscle movement and receives information from sensory receptors.
