The Nervous System

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1. Define what neurones do.

  • Neurones transmit information (as electrical impulses) very quickly to and from the CNS
  • Neurones control information (as chemical signals) very quickly to and from the CNS
  • Neurones transmit information (as electrical impulses) very quickly to and from the CNS
  • Neurones transmit information (as electrical impulses) away from the CNS
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2. What does the CNS do?

  • The CNS (Central Nervous System) is where all information from the sense organs is sent, and where receptors and sense organs are coordinated
  • The CNS (Central Nervous System) is where all information from the neurons are sent, and where reflexes and actions are coordinated
  • The CNS (Central Nervous System) is where all information from the sense organs is sent, and where reflexes and actions are coordinated
  • The CNS (Central Nervous System) is where all information from the sense organs is released, and where reflexes and actions are coordinated

3. What are the five different Sense Organs?

  • Eyes, tongue, skin, ears, nose
  • Mouth, Brain, Muscles, Organs, Lungs
  • Sight, taste, touch, smell, sound
  • Skin, touch, ears, sound, eyes

4. What is the difference between a receptor and a sense organ?

  • Sense organs contain myelin sheath and neurones, which send impulses to the CNS. Receptors recieve this impulses
  • Receptors are groups of cells which are sensitive to a stimulus, Sense Organs contain these receptors
  • Sense organs are groups of cells which are sensitive to a stimulus, Receptors contain these sense organs
  • Sense organs e.g the eye contain light receptors.

5. What is the order of the neurone response?

  • Sensory, Relay, Motor, Effector
  • Sensory, Reflex, Relay, Effector
  • Effector, Relay, Motor, Sensory
  • Sensory, Motor, Relay, Effector

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