Nervous System Basics

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Questions and Answers

Which part of the nervous system is protected by the skull and layers of sheathing?

  • Peripheral Nervous System
  • Central Nervous System (correct)
  • Interneurons
  • Neurons

What is the function of dendrites in a neuron?

  • Receive messages from other cells (correct)
  • Pass messages away from the cell body
  • Protect the axon and speed neural impulses
  • Form junctions with other cells

What is the role of afferent neurons in the nervous system?

  • Relay messages from sense organs to the brain (correct)
  • Send signals from the brain to glands and muscles
  • Carry impulses between neurons in the body
  • Release chemicals to communicate with other neurons

What is the function of the myelin sheath in a neuron?

<p>Protect the axon and speed neural impulses (D)</p> Signup and view all the answers

What are neurotransmitters?

<p>Chemicals released by neurons to communicate with other neurons (A)</p> Signup and view all the answers

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