This nervous system key concept map depicts the various keys used to unlock the nervous system. The nervous system is the most difficult and well-organized in the body. It receives sensory organ information via nerves, transmits it via the spinal cord, and processes it in the brain. The nervous system controls most of our internal functions, including everything from muscle movement and blood vessel dilation to learning anatomy and physiology facts. The brain and spinal cord (the CNS) serve as the command and control center. This concept map shows that they receive data and feedback from sensory organs and nerves throughout the body and send commands back out.
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Concept map : The Organization of the Nervous System KEY
The Nervous System
Central Nervous System (CNS)1. receives and processes information2. initiates action
Brain1. receives and processes sensory information2. initiates responses3. stores memories4. generates thoughts and emotions
Interneuron (association neuron)1. located entirely within CNS2. Short dendrites3. axons long or short 4. converys messages between system parts in CNS
Spinal Cord1. conducts signals to and from the brain2. controls reflex activities
Medulla Oblongata:1. breathing, heartbeat, reflexesCerebrum1. consciousnessThalamus1. gatckeepers to the cerebrum,Cerebellum1. maintaining/ restoring balanceHypothalamus1. maintains the homeostasis2. links the nevous system with the endocrine systemCorpus callosum1. connects the two cerebral hemispheres to share info
1. dilates pupils2. accelerates heartbeat and breathing rate3. inhibits digestive tract blood flow & peristalsis4. increases blood flow to skeletal muscle and CNS
Peripheral Nervous system (PNS)1. transmits signals between the CNS and the rest of the body
Motor Neurons 1. carry signals from the CNS that control the activities of muscles and glands2. short dendrite3. long axon4. cell body positioned inside the CNS
Sensory Neurons1. carry signals to the CNS From sensory organs2. Long dendrite3. short axon4. cell body is outside CHS in ganglia
Somatic Nervous System 1. controls voluntary movements by activating skeletal muscles
Somatic Nervous System 1. prepares the body for stressfulor energetic activity2. "fight or flight" response3. neurotransmittre- Noradrenalin
Parasympathetic NervousSystem1. dominates during times of rest2. directs maintenance activities3. neurotransmitter- Acetylcholine
Concept Map of Nervous System Key
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Concept map : The Organization of the Nervous System KEY
The Nervous System
Central Nervous System (CNS)
1. receives and processes information
2. initiates action
Brain
1. receives and processes
sensory information
2. initiates responses
3. stores memories
4. generates thoughts and
emotions
Interneuron (association neuron)
1. located entirely within CNS
2. Short dendrites
3. axons long or short
4. converys messages between system parts in CNS
Spinal Cord
1. conducts signals to and
from the brain
2. controls reflex activities
Medulla Oblongata:
1. breathing, heartbeat, reflexes
Cerebrum
1. consciousness
Thalamus
1. gatckeepers to the cerebrum,
Cerebellum
1. maintaining/ restoring balance
Hypothalamus
1. maintains the homeostasis
2. links the nevous system with the
endocrine system
Corpus callosum
1. connects the two cerebral
hemispheres to share info
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
Peripheral Nervous system (PNS)
1. transmits signals between the CNS and the rest of the body
Motor Neurons
1. carry signals from the
CNS that control the
activities of muscles and
glands
2. short dendrite
3. long axon
4. cell body positioned inside
the CNS
Sensory Neurons
1. carry signals to the CNS From
sensory organs
2. Long dendrite
3. short axon
4. cell body is outside CHS in
ganglia
Somatic Nervous System
1. controls voluntary
movements by activating
skeletal muscles
Autonomic Nervous System
controls involuntary responses
by influencing organs, glands,
and smooth muscle
Somatic Nervous System
1. prepares the body for stressful
or energetic activity
2. "fight or flight" response
3. neurotransmittre-
Noradrenalin
Parasympathetic Nervous
System
1. dominates during times of rest
2. directs maintenance activities
3. neurotransmitter-
Acetylcholine
Concept map : The Organization of the Nervous System KEY
The Nervous System
Central Nervous System (CNS)1. receives and processes information2. initiates action
Brain1. receives and processes sensory information2. initiates responses3. stores memories4. generates thoughts and emotions
Interneuron (association neuron)1. located entirely within CNS2. Short dendrites3. axons long or short 4. converys messages between system parts in CNS
Spinal Cord1. conducts signals to and from the brain2. controls reflex activities
Medulla Oblongata:1. breathing, heartbeat, reflexesCerebrum1. consciousnessThalamus1. gatckeepers to the cerebrum,Cerebellum1. maintaining/ restoring balanceHypothalamus1. maintains the homeostasis2. links the nevous system with the endocrine systemCorpus callosum1. connects the two cerebral hemispheres to share info
1. dilates pupils2. accelerates heartbeat and breathing rate3. inhibits digestive tract blood flow & peristalsis4. increases blood flow to skeletal muscle and CNS
Peripheral Nervous system (PNS)1. transmits signals between the CNS and the rest of the body
Motor Neurons 1. carry signals from the CNS that control the activities of muscles and glands2. short dendrite3. long axon4. cell body positioned inside the CNS
Sensory Neurons1. carry signals to the CNS From sensory organs2. Long dendrite3. short axon4. cell body is outside CHS in ganglia
Somatic Nervous System 1. controls voluntary movements by activating skeletal muscles