The Divisions of the Nervous System

Question 1

what does the nervous system do?

Answer 1

it controls behavior

Question 2

how does the nervous system control behavior?

Answer 2

it collects, processes and responds to information from the environment

Question 3

what else does the nervous system control?

Answer 3

it controls physiological processes

Question 4

how does the nervous system control physiological processes?

Answer 4

it coordinates the working of different organs

Question 5

The Central Nervous System

Answer 5

The Brain

The Spinal Cord

Question 6

The Brain…

Answer 6

maintains life by controlling vital functioning

Question 7

The Brain is where the

Answer 7

center of awareness/cerebral cortex

Question 8

the cerebral cortex is

Answer 8

highly developed

Question 9

The Spinal Cord relays

Answer 9

information between the body and the brain

Question 10

The Spinal Cord is made up of

Answer 10

pairs of spinal nerves that connect to the rest of the body

Question 11

If the Spinal Cord suffers any damage…

Answer 11

there isn’t any relay below that point.

Question 12

The Spinal Cord has circuits of

Answer 12

nerves that can respond reflexively

Question 13

what is the Peripheral Nervous System?

Answer 13

its nerves outside the CNS which permeate the rest of the body

Question 14

How does the Peripheral Nervous System communicate with the Central Nervous System?

Answer 14

it transmits messages via neurons to and from the brain

Question 15

Systems in the Peripheral Nervous System

Answer 15

The Somantic Nervous System
The Autonomic Nervous System
(The Autonomic Nervous System's two subsystems)
The Sympathetic Nervous System
The Parasympathetic Nervous System

Question 16

What’s the Somantic Nervous System’s main job?

Answer 16

its main job is to transmit and receive messages from sensory receptors in cells of the sense organs and send them to the CNS

Question 17

Within the Somantic Nervous System, the CNS messages

Answer 17

muscles to act

Question 18

when the CNS messages muscles to act within the Somantic Nervous System, what Neurotransmitter does it use?

Answer 18

Noradrenaline

Question 19

The Autonomic Nervous System operates without

Answer 19

conscious awareness due to it being involuntary

Question 20

The Autonomic Nervous System governs

Answer 20

vital functions

Question 21

what vital functions does the Autonomic Nervous System govern?

Answer 21

breathing
heart rate
digestion
sexual arousal
stress response

Question 22

what are the Autonomic Nervous System’s subsystems?

Answer 22

The Sympathetic Nervous System

The Parasympathetic Nervous System

Question 23

what does the Sympathetic Nervous System do?

Answer 23

it increases bodily activity and helps deal with emergencies

Question 24

what is the Sympathetic Nervous System a key part in?

Answer 24

fight or flight

Question 25

what does the Parasympathetic Nervous System do?

Answer 25

it decreases or maintain bodily activity

Question 26

what does the Parasympathetic Nervous System after fight or flight?

Answer 26

it relaxes the body

Question 27

what is the Parasympathetic Nervous System version of fight or flight called?

Answer 27

rest & digest