The Nervous System
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| show | all internal communication and coordination
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| show | to maintain a constant balance of the internal environment, known as "homeostasis"
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| Describe Homeostasis (Nervous System) | show 🗑
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| show | 2.5 times around the world !!
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| "homeostasis" is achieved with the help of the brain and a huge complex network of what other 2 things that run throughout the body ? | show 🗑
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| summing up the role of the nervous system its role its to gather info (S), analyse the gathered info (I) & and (R)espond to the received info - define "SIR" | show 🗑
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| show | sensors in the body gather info about the external or internal environment
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| show | internal proprioceptors
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| what are proprioceptors and where are they found | show 🗑
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| show | Eyes, Ears, Mouth - air temp or space available
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| show | carbon dioxide levels in blood
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| explain the nervous system function INTEGRATION'S (interpretation/anaysis) role on gathered info via the sensation function. | show 🗑
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| show | "Voluntary" - eg Muscle movement // "Involuntary" eg digestion
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| show | the analysed info now initiates an appropriate reaction
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| Give an example of a reaction initiated by the nervous systems function RESPONSE | show 🗑
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| show | ENDOCRINE system
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| What is the "endocrine" system responsible for so "homeostasis" can be maintained ? | show 🗑
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| What two primary divisions make up the nervous system ? CNS & PNS | show 🗑
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| show | the CNS
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| show | The brain & the spinal cord
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| show | CNS
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| show | PNS
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| show | To carry messages through its network of nerve cells to & from the CNS
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| what two systems does the PNS subdivide into ? (S/A) | show 🗑
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| show | The SOMATIC eg for walking, lifting weights etc
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| Which subdivision of the PNS controls involuntary movement (without conscious) functions ? | show 🗑
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| show | SENSATION
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| show | INTERGRATION
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| show | RESPONSE
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| Name the four parts (aspects) of the brain | show 🗑
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| show | CEREBRUM
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| show | DIENCEPHALON
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| Which is the smaller aspect of the brain ? | show 🗑
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| which aspect of the brain stores all learnt skills & controls the groups action of muscles ? | show 🗑
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| show | CEREBRUM & CEREBELLUM
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| show | BRAIN STEM
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| which part of the brain is the continuation of the spinal cord ? | show 🗑
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| show | BRAIN STEM
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| what 4 segments (vertabrae) does the spinal cord consist of ? | show 🗑
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| what organ & nervous system is the spinal cord the communication link for | show 🗑
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| show | reflex arc
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| What are nerve cells know as ? | show 🗑
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| show | Electrical
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| spinal are nerves are divided into what two types of neuron ? (M&S) | show 🗑
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| show | Sensory - from the sensory organs
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| Which neurons carry messages "from" the CNS ? | show 🗑
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| show | Sensory
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| show | Motor
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| show | Motor
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| show | Nucleus
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| Which part of a neuron directs the activities of the neuron | show 🗑
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| show | Dendrite
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| show | Axon
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| Which part of a neuron insulates the AXON to speed up message transportation ? | show 🗑
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| show | A neuron
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| What organ has over 100 billion neurons | show 🗑
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| show | Millions
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| where do motor neurons transmit nerve impulses to, to create movement | show 🗑
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| show | Sympathetic
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Created by:
LeeNelson
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