Nervous system

Question 1

what are the two parts/regions of the nervous system

Answer 1

central nervous system and the peripheral nervous system

Question 2

CNS

Answer 2

brain and spinal cord

Question 3

PNS

Answer 3

all body nerves

Question 4

meninges

Answer 4

three layers of protective membrane surrounding the brian and spinal cord

Question 5

cerebrail fluid

Answer 5

• circulates between the menings of the brain and through the spinal cords
• acts as a shock absorber and transport medium for nutrients

Question 6

spinal cord

Answer 6

extension of the brain
- carries sensory nerve messages from receptors to the brian and relays motor nerve messages from the brain to muscles, organs, and glands

Question 7

where does the spinal cord connect to the brain

Answer 7

through a hole at the bottom of the skull called the foramen magnum this region is also know as the brain stem

Question 8

number of hemispheres in the brain

Answer 8

2

Question 9

what seperates to hemispheres of the brain

Answer 9

sagittal crest

Question 10

what is the right side of the brain responsible for

Answer 10

visual patterns, spacial awarness, and artistic skills

Question 11

what is the left side of the brain responsible for

Answer 11

verbal skills, deductive reasoning, logic and mathmatics

Question 12

number of lobes found within the brain

Answer 12

8
- 4 lobes in each hemisphere
- one of each type of lobe in both halfs of the brain

Question 13

frontal lobe

Answer 13

movement, speech, personality, reasoning, planning, decision making

Question 14

temproal lobe

Answer 14

hearing, language, memory

Question 15

occipital lobe

Answer 15

visual interpretation

Question 16

parietal lobe

Answer 16

pain, touch, temp, position, emotions

Question 17

what are the 4 types of lobes found within the brain

Answer 17

frontol, temprol, occipital and parietal lobe

Question 18

three regions of the brain

Answer 18

forebrain, midbrain, hindbrain

Question 19

forebrain

Answer 19

olfactory, cerebrum, thalamus, hypothalamus
- front, top and middle of the brain
- occupies around 75% of the brain

Question 20

Midbrain

Answer 20

eye and ear reflexes

Question 21

hindbrain

Answer 21

cerebellum, pons, medulla oblongata

Question 22

cerebellum

Answer 22

fine motor movement and balance

Question 23

pons

Answer 23

pelay station that passes information

Question 24

medulla oblengata

Answer 24

controls key muscle functions (breathing)

Question 25

corpus callosum

Answer 25

connects the two hemispheres which allows information to be passed back and forth

Question 26

thalamus

Answer 26

coordinates and interprets sensory information and directs it to the cerebrum

Question 27

hippocampus

Answer 27

regualtes emotions and memory of emotions

Question 28

amygdala

Answer 28

responsible for our emotional response to everyday life - can be effected by genetics (autism)

Question 29

nerves assosiated with PNS

Answer 29

somatic and auronomic nerves

Question 30

somatic nerves

Answer 30

controls skeletal muscles, bones and skin

Question 31

autonomic nerves

Answer 31

controls internal organs

Question 32

autonomic nervous system

Answer 32

Made up of two distinct units: sympathetic and parasympathetic - Sympathetic system prepares the body for stress Increase heart rate, release glucose, dilated pupils, increase blood flow - Parasympathetic system restore the bodies normal balance (negative feedback loop) Decreased heart rate, stores glucose, constricts pupils, decreases blood flow