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Concept Map: The Organization of the Nervous System KEY, Schemes and Mind Maps of Neuroscience

The types, parts, and functions of all components in CNS

Typology: Schemes and Mind Maps

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Uploaded on 06/11/2021

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Concept Map: The Organization of the Nervous System KEY
The Nervous System
Central Nervous System (CNS)
receives and processes information
initiates action
Peripheral Nervous system (PNS)
transmits signals between the CNS and the rest of the body
Brain
receives and processes
sensory information
initiates responses
stores memories
generates thoughts and
emotions
Spinal Cord
conducts signals to and
from the brain
controls reflex activities
Motor Neurons
carry signals from the
CNS that control the
activities of muscles and
glands
short dendrite
long axon
cell body positioned inside
the CNS
Sensory Neurons
carry signals to the CNS from
sensory organs
long dendrite
short axon
cell body is outside CNS in
ganglia
Autonomic Nervous System
controls involuntary responses
by influencing organs, glands,
and smooth muscle
Sympathetic Nervous System
prepares the body for stressful
or energetic activity
“fight or flight” response
neurotransmitter -
Noradrenalin
Parasympathetic Nervous
System
dominates during times of rest
directs maintenance activities
neurotransmitter -
Acetylcholine
Interneuron (association neuron)
located entirely within CNS
short dendrites
axons long or short
conveys messages between system parts in CNS
1. dilates pupils
2. accelerates heartbeat
and breathing rate
3. inhibits digestive tract
blood flow & peristalsis
4. increases blood flow to
skeletal muscle and CNS
Medulla Oblongata:
breathing, heartbeat, reflexes
Cerebrum
consciousness
Thalamus
gatekeepers to the cerebrum,
Cerebellum
maintaining/restoring balance
Hypothalamus
maintains the homeostasis
links the nervous system with the
endocrine system
Corpus callosum
connects the two cerebral
hemispheres to share info
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Concept Map: The Organization of the Nervous System KEY

The Nervous System

Central Nervous System (CNS)  receives and processes information  initiates action

Peripheral Nervous system (PNS)  transmits signals between the CNS and the rest of the body

Brain  receives and processes sensory information  initiates responses  stores memories  generates thoughts and emotions

Spinal Cord  conducts signals to and from the brain  controls reflex activities

Motor Neurons  carry signals from the CNS that control the activities of muscles and glands  short dendrite  long axon  cell body positioned inside the CNS

Sensory Neurons  carry signals to the CNS from sensory organs  long dendrite  short axon  cell body is outside CNS in ganglia

Somatic Nervous System  controls voluntary movements by activating skeletal muscles

Autonomic Nervous System controls involuntary responses by influencing organs, glands, and smooth muscle

Sympathetic Nervous System  prepares the body for stressful or energetic activity  “fight or flight” response  neurotransmitter - Noradrenalin

Parasympathetic Nervous System  dominates during times of rest  directs maintenance activities  neurotransmitter - Acetylcholine

Interneuron (association neuron)  located entirely within CNS  short dendrites  axons long or short  conveys messages between system parts in CNS

  1. dilates pupils
  2. accelerates heartbeat and breathing rate
  3. inhibits digestive tract blood flow & peristalsis
  4. increases blood flow to skeletal muscle and CNS

Medulla Oblongata:  breathing, heartbeat, reflexes Cerebrum  consciousness Thalamus  gatekeepers to the cerebrum, Cerebellum  maintaining/restoring balance Hypothalamus  maintains the homeostasis  links the nervous system with the endocrine system Corpus callosum  connects the two cerebral hemispheres to share info