Nervous System

Question 1

Purpose of the nervous system

Answer 1

Transmits signals between the brain and the rest of the body, including internal organs

(I don’t think we need to know but)
Plays a role is every aspect of our health and well being ie. waking up, breathing, thinking, reading, remembering, and feeling emotions

Question 2

Types/parts of the system

Answer 2

Central nervous system CNS
Peripheral nervous system PNS

Question 3

Parts of the CNS

Answer 3

Spinal cord
Brain

Question 4

Spinal cord

Answer 4

A pathway for nerve impulses to and from the brain, but also a center for operating and coordinating reflex actions independent of the brain

Connects the brain to the PNS starts from the medulla oblong at a and stretches to the lumbar region of the spine it vertebral column

Question 5

Brain

Answer 5

Most complex and important organ in the body
Found in head protected by skull

Question 6

Three main parts of the brain

Answer 6

Cerebellum
Encephalic trunk
Brain cortex

Question 7

Cerebellum

Answer 7

Controls movement balance and coordination

Question 8

Encephalic trunk

Answer 8

Controls the bodies ability to breath air
Digest food
Circulate blood through body

Question 9

Brain cortex

Answer 9

Largest and most recognizable
Neurons are housed

Question 10

Left hemisphere of the brain

Answer 10

Controls right side of the body
Responsible for:
Speech, calculating, and reasoning

Question 11

Right hemisphere of the brain

Answer 11

Controls the left side of the body
Responsible for:
Intuition, creativity

Question 12

3 lobes

Answer 12

Frontal lobe
Parietal lobe
Temporal lobe

Question 13

Frontal lobe

Answer 13

Plan our actions
Feel emotions

Question 14

Parietal lobe

Answer 14

5 senses

Question 15

Temporal lobe

Answer 15

Memory

Question 16

Parts of PNS

Answer 16

Motor nerves
Sensory nerves

Question 17

Motor nerves

Answer 17

Carry messages in form if a response from the brain on spinal cord (located CNS)

Question 18

2 types of motor nerves

Answer 18

Lower motor nerves
— travel Spinal chord to muscle
— damage to lower motor neuron cell bodies or their peripheral = paralysis or paresis
Upper motor nerves
— travel brain and spinal cord

Question 19

4 different sensory nerves

Answer 19

Mechanoreceptors
Thermoreceptors
Nociceptors
Chemoreceptors

Question 20

Responsible for carrying signals the brain to help you touch taste smell and see

Answer 20

Sensory nerves

Question 21

Illness

Answer 21

Alzheimer’s
Bells palsy

Question 22

Alzheimer’s

Answer 22

Build up if certain chemicals and proteins in the brain
Leads to dementia symptoms over time
No cure but some medications and learning new behaviour help symptoms

Question 23

Bell’s palsy

Answer 23

Sudden weakness or paralysis on one side of the face
Caused my inflammation or damage to facial nerve
Can cause drooping eyelid, difficulty closing one eye, drooling, difficulty eating/drinking
No cure: can go back to normal 2 weeks to 6 months, can go to physical therapy to help