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Lesson 3.5

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  • The endocrine system regulates the body by releasing chemicals called
    hormones
  • What is the brain and spinal cord surrounded by?
    Connective tissue and fluid
  • The peripheral nervous system has two groups of nerve:
    somatic and autonomic
  • The nervous system consists of:
    brain, spinal cord, and nerves.
  • What is a nerve impulse?
    The message carried by the neuron.
  • The nervous system is your body’s ________________ network.
    communication
  • The junction where one neuron can transfer an impulse to another neuron is called
    Synapse
  • What are neurons made up of?
    dendrites and axons
  • What is an automatic response that occurs without conscious control?
    A Reflex
  • What is a part of the CNS that is located in the skull and controls most functions of the body?
    Brain
  • What is the central nervous system is made up of?
    Brain and Spinal Cord
  • What connects the CNS to the rest of the body?
    PNS
  • What is a gland?
    A gland is an organ that produces and releases chemicals through ducts or into the bloodstream.
  • What is a nerve cell called?
    neuron
  • Do neuron cells touch?
    No, they don't.
  • What does a dendrite do?
    structure that picks up information.
  • What two systems that maintain homeostasis?
    the nervous system and the endocrine system
  • What links the brain with the rest of the body?
    Spinal Cord
  • What is an axon?
    Axon receives information from the dendrite and sends it away from the cell.
  • The nervous system is divided into two systems:
    the central nervous system (CNS) and the peripheral nervous system (PNS)
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