2 Chapter35

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2 Chapter35

  1. 1. 35.1 There are 11 organ systems that work harmoniously to maintain homeostasis Travis Kirby
  2. 2. 35.1 <ul><li>Feedback inhibition helps maintain homeostasis by operating the body’s organs like a thermostat. </li></ul>Travis Kirby
  3. 3. 35.2 <ul><li>Function of nervous system is to control and coordinate the functions throughout the body, and to respond to internal and external stimuli </li></ul>
  4. 4. 35.2 <ul><li>Impulses are transmitted by neurotransmitters which use chemicals from a neuron </li></ul>
  5. 5. 35.3 <ul><li>The central nervous system functions like a computer, relaying messages, processing information, and analyzing it. </li></ul>Travis Kirby
  6. 6. 35.3 <ul><li>The peripheral nervous system is divided into two divisions: the sensory division and the motor division. </li></ul>Travis Kirby
  7. 7. 35.4 <ul><li>Pain receptors </li></ul><ul><li>Thermoreceptors </li></ul><ul><li>Mechanoreceptors </li></ul><ul><li>Chemoreceptors </li></ul><ul><li>Photoreceptors </li></ul>
  8. 8. 35.4 <ul><li>Sensory receptors react to sound, light and other specific stimuli </li></ul>
  9. 9. 35.5 <ul><li>Opiates mimic endorphins, which normally help to overcome sensations of pain </li></ul><ul><li>Marijuana contains the active chemical THC, which produces temporary euphoria and disorientation </li></ul>
  10. 10. 35.5 <ul><li>Alcohol is a depressant and slows the rate at which the nervous system functions </li></ul>Travis Kirby

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