Diversions of the nervous system kwds

Question 1

Nervous system

Answer 1

Consists of CNS and Peripheral NS.

Communicates using electrical signals.

Question 2

Central Nervous System

Answer 2

Consists of the brain and spinal cord and is the origin of all complex commands and decisions.

Question 3

Peripheral Nervous System

Answer 3

Sends information to the CNS from the outside world. and transmits messages from CNS to muscles and glands in the body.

Question 4

Somatic Nervous System

Answer 4

Transmits information from receptor cells in the sense organs to the CNS.
It also receives information from CNS that directs muscles to act voluntarily.

Question 5

Autonomic Nervous System

Answer 5

Transmits information to and from internal bodily organs.
It is automatic as the system operates involuntarily.
It has 2 divisions: sympathetic NS and parasympathetic NS.

Question 6

Sympathetic NS

Answer 6

Responsible for the ‘fight or flight’ response.

Question 7

Parasympathetic NS

Answer 7

Responsible for ‘rest and digest response.