Nervous System

Question 1

Autonomic

Answer 1

Do not have to think about

Question 2

What are the 2 sub divisions of the nervous system

Answer 2

Central nervous system

Peripheral nervous system

Question 3

What is the CNS composed of?

Answer 3

Spine, brain

Question 4

What is the PNS composed of?

Answer 4

Everything outside, afferent and efferent.

Question 5

Afferent

Answer 5

Sensory Neurons, detect information from surroundings

Question 6

Efferent

Answer 6

Motor nurons, respond to change

Question 7

Stimulus

Answer 7

Changing of environment

Question 8

Nervous system

Answer 8

Sends and receives info

Question 9

Accommodation

Answer 9

Getting used to a new thing ( nerves stop sending info about it.

Question 10

Stimuli

Answer 10

Changes ate called stimuli

Question 11

Involuntary

Answer 11

Some are involuntary while others are not

Question 12

Neurons

Answer 12

Specialized cell that carry messages

Question 13

What are the 3 parts of the dendrita

Answer 13

Dendrite, cell body, axon are part of nerons

Question 14

Cell body

Answer 14

Part of neuron that contains the nucleus

Question 15

Axon

Answer 15

Long thread like part of a nerve cell along which impulses are conducted from the cell body to other cells

Question 16

What are the three types of neurons

Answer 16

Sensory neurons
Inteneurons
Motor neurons

Question 17

Sensory neurons

Answer 17

Sence things

Question 18

Inteneurons

Answer 18

In spinal cord

Question 19

Motor Neurons

Answer 19

Reflexes

Question 20

What are the three neurons called

Answer 20

Reflex arch

Question 21

What are the 2 forms of nerve impulses

Answer 21

Electrical and chemical signals

Question 22

What is the most important part of the nervous system

Answer 22

Brain

Question 23

What are the 3 parts of the brain

Answer 23

Arachnoid
Mermigie
Duramatter

Question 24

Arachnoid

Answer 24

Inner layer, clings to surface of the brain

Question 25

Mermigis

Answer 25

Fluid keeps things in place

Question 26

Duramatter

Answer 26

Outer layer, prevents brain from smashing into skull

Question 27

Concussion

Answer 27

When brain smashes against skull

Question 28

Meningitis

Answer 28

Infection of mermigis

Question 29

Cerebrum

Answer 29

Voluntary control, largest part, attitude, emotions, learning, etc

Question 30

Right half

Answer 30

Artistic ability

Question 31

Left half

Answer 31

Mathematical ability

Question 32

Cerebellum

Answer 32

Back of brain, looks like a cauliflower, responsible f or coordination of muscle movement

Question 33

Medulla

Answer 33

Controlling involuntary movements

Question 34

How much of our Cerberus use

Answer 34

About 10%

Question 35

How many sections is the spinal cord made of

Answer 35

two

Question 36

What are the 2 sections of the spine

Answer 36

Spinal cord, vertebrae

Question 37

What do the vertebrae do

Answer 37

Protect spinal cord

Question 38

Reflex arc

Answer 38

Certain movements are involuntary

Question 39

What are the parts of the reflex arc

Answer 39

``` Receptor Sensory neuron Interneuron Motor neuron Affected neurons ```

Question 40

Receptor

Answer 40

Anything that can perceive the surrounding environment

Question 41

Does the PNS link with the CNS

Answer 41

Yes

Question 42

How many pairs of nerves are there in the PNS

Answer 42

43 pairs

Question 43

What are cranial nerves

Answer 43

PNS nerves that come out of brain (12)

Question 44

What are many nerves in the PNS under control of

Answer 44

Conscious mind

Question 45

Aotonomic nervous system

Answer 45

Controls involuntary movements | Nerves are on pairs and are antagistic

Question 46

Antagistic

Answer 46

Work against each other

Question 47

Is the motor nervous system automatic

Answer 47

No it is not automatic (somatic)