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Nervous System
What makes up the Nervous System? <ul><li>Brain </li></ul><ul><li>Spinal cord </li></ul><ul><li>Nerves </li></ul><ul><li>S...
What are the jobs of the Nervous system? <ul><li>Receive information –  both inside and outside your body (Ex: Wind blowin...
Central  Nervous System <ul><li>The Central nervous system contains the  BRAIN  and the  SPINAL CORD .  </li></ul><ul><li>...
 
Peripheral Nervous System  <ul><li>The peripheral nervous system consists of a network of  NERVES  that branch out from th...
Peripheral Nervous System <ul><li>A total of  43  pairs of nerves make up the entire PNS.  12  pairs of nerves originate f...
Cartilage Disk Kck Kck
Two Groups of the PNS <ul><li>Somatic Nervous System  – controls voluntary actions  </li></ul><ul><li>Ex: Using a fork, ty...
Analogy <ul><li>The central nervous system is like _________, while the nerves of the peripheral nervous system is like th...
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Nervous System Notes

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Transcript of "Nervous System Notes"

  1. 1. Nervous System
  2. 2. What makes up the Nervous System? <ul><li>Brain </li></ul><ul><li>Spinal cord </li></ul><ul><li>Nerves </li></ul><ul><li>Sense Organs (eyes, ears, nose, tongue, skin) </li></ul>
  3. 3. What are the jobs of the Nervous system? <ul><li>Receive information – both inside and outside your body (Ex: Wind blowing, low glucose in your blood) </li></ul><ul><li>Responds to information – reacts to stimuli (Ex: soccer ball comes toward you – you kick the ball) </li></ul><ul><li>Maintains homeostasis – directs the body to respond to information (Ex: hungry – eat, thirsty – drink) </li></ul>
  4. 4. Central Nervous System <ul><li>The Central nervous system contains the BRAIN and the SPINAL CORD . </li></ul><ul><li>The CNS is like the CONTROL CENTER of our bodies. </li></ul><ul><li>The BRAIN allows us to control most of the functions in our bodies </li></ul><ul><li>The SPINAL CORD connects our brain to our nerves. </li></ul>
  5. 6. Peripheral Nervous System <ul><li>The peripheral nervous system consists of a network of NERVES that branch out from the CENTRAL NERVOUS SYSTEM and CONNECT to the rest of the BODY . </li></ul>
  6. 7. Peripheral Nervous System <ul><li>A total of 43 pairs of nerves make up the entire PNS. 12 pairs of nerves originate from the brain. 31 pairs of nerves begin in the spinal cord. </li></ul>
  7. 8. Cartilage Disk Kck Kck
  8. 9. Two Groups of the PNS <ul><li>Somatic Nervous System – controls voluntary actions </li></ul><ul><li>Ex: Using a fork, tying your shoelaces </li></ul><ul><li>Autonomic Nervous System – controls involuntary actions </li></ul><ul><li>Ex: heartbeat, breathing </li></ul>
  9. 10. Analogy <ul><li>The central nervous system is like _________, while the nerves of the peripheral nervous system is like the ______________. </li></ul>
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