Nervous System
What Structures make up the Central Nervous System(CNS)
Brain and Spinal Cord
contracting your arm muscles
response
What are the 3 layers of Meninges in Order
Dura Mater
Archnoid
Pia Mater
What is the function of the thalamus?
relays sensory impulses to cerebral cortex
What are the three main functions of the nervous system(In order)
sensory imput- detects change inside and outside the body
Intergration- proccesses and interpets information
Response- activates muscles (motor outputs) or glands
What is the main role of the Peripheral Nervous System (PNS)?
carries out impluses from the CNS
What are 2 major types of nerve cells and what are their functions
Neurons- conducts impulses around the body(%10)
Neuroglia- supports, insulaes, and protects neurons(%90)
What allows the signal to pass to the next neuron at the SYNAPSE?
vesicles relies neurotransmitters across the synaptic cleft
How does the cerebellum contribute to movement
coordinates movement directed by the cerebrum so they are smooth and graceful
Why does a nerve impulse only move in one direction along a neuron?
Dendrites recieve and axons send not allowing other movement
What is the function of the Somatic nervous system?
Is it Involuntary or Voluntary?
Controls Skeletal movement
voluntary
How do Afferent, Efferent, and Interneurons differ in fuction?
Afferent- carries impulses towards the CNS
Efferent- carries impulses away from the CNS
Interneurons- connects afferent and efferent neurons
Where is the cerebrospinal fluid found?
between the archnoid layer and the pia matter
touch-
temp variation-
pain-
chemicals-
light-
mechanoreceptor
thermoreceptor
nociceptor
chemoreceptor
photoreceptor
Feeling heat from a stove
sensory imput
MATCH THE ANSWERS
1. provides myelin insulation to neurons
2. Circulates cerebrospinal fluid
3. immune dense in the CNS
1. oligendendrocytes
2. Ependymal Cells
3. Microglia
What are 2 functions of cerebrospinal fluid
protects the brain and spinal cord
maintains blood
Deciding to pull your hand away
intergration
What happens during depolarization?
why are reflexes considered involuntary and voluntary
they control skeletal and muscles