Electricity and the Nervous System
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Questions and Answers

What is the basic structural unit of the nervous system?

  • Synapse
  • Neuron (correct)
  • Cell body
  • Axon

Which part of the nervous system controls various internal organs involuntarily?

  • Peripheral nervous system
  • Sensory somatic nervous system
  • Central nervous system
  • Autonomic nervous system (correct)

What transmits sensory information to the brain?

  • Motor nerves (efferent nerves)
  • Sensory nerves (afferent nerves) (correct)
  • Synapse
  • Axon

What causes the forces of muscles in the body?

<p>Attraction and repulsion of electrical charges (D)</p> Signup and view all the answers

What receives electrical messages from other neurons through synapses?

<p>Cell body (A)</p> Signup and view all the answers

What is the primary function of the electricity generated inside the body?

<p>Control and operation of nerves, muscles, and organs (B)</p> Signup and view all the answers

What is the role of the autonomic nervous system?

<p>Control various internal organs involuntarily (D)</p> Signup and view all the answers

What is the function of motor nerves (efferent nerves) in the peripheral nervous system?

<p>Transmit information from the brain or spinal cord to the appropriate muscles or organ (B)</p> Signup and view all the answers

What does a neuron specialize in within the nervous system?

<p>Reception, interpretation and transmission of electrical messages (C)</p> Signup and view all the answers

Why is there a potential difference around the membrane in nerves?

<p>To transmit electrical signals along various nerves (B)</p> Signup and view all the answers

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