Nervous system Flashcards
what are the two parts/regions of the nervous system
central nervous system and the peripheral nervous system
CNS
brain and spinal cord
PNS
all body nerves
meninges
three layers of protective membrane surrounding the brian and spinal cord
cerebrail fluid
- circulates between the menings of the brain and through the spinal cords
- acts as a shock absorber and transport medium for nutrients
spinal cord
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
where does the spinal cord connect to the brain
through a hole at the bottom of the skull called the foramen magnum this region is also know as the brain stem
number of hemispheres in the brain
2
what seperates to hemispheres of the brain
sagittal crest
what is the right side of the brain responsible for
visual patterns, spacial awarness, and artistic skills
what is the left side of the brain responsible for
verbal skills, deductive reasoning, logic and mathmatics
number of lobes found within the brain
8
- 4 lobes in each hemisphere
- one of each type of lobe in both halfs of the brain
frontal lobe
movement, speech, personality, reasoning, planning, decision making
temproal lobe
hearing, language, memory
occipital lobe
visual interpretation