Biopsychology - Nervous System

Question 1

The nervous system

Answer 1

Specialised network of cells that act as our internal communication system

Question 2

Functions of the nervous system

Answer 2

1) To collect, process and respond to information in the environment
2) To co-ordinate the workings of different organs and cells in the body

Question 3

2 sub-system of the nervous system

Answer 3

central nervous system (CNS)

peripheral nervous system (PNS)

Question 4

The central nervous system (CNS)

Answer 4

Receives information from the senses and controls the body’s responses

Made of the brain and the spinal cord

Question 5

Brain

Answer 5

Centre of all conscious awareness

Question 6

Spinal cord

Answer 6

Extension of the brain responsible for reflex actions.

Passes messages to and from the brain

Connects nerves to the PNS

Question 7

The peripheral nervous system (PNS)

Answer 7

Transmits messages via neurons (nerve cells) to and from the central nervous system

Further divided into:

1) Autonomic nervous system (ANS)
2) Somatic nervous system (SNS):

Question 8

Autonomic nervous system (ANS)

Answer 8

controls involuntary activities such as breathing, hear rate, digestion and stress responses

Further divided into the:

1) Sympathetic nervous system
2) Parasympathetic nervous system

Question 9

Somatic nervous system (SNS)

Answer 9

responsible for carrying sensory and motor information to and from the central nervous system