Nervous System

• What are the two main divisions of the nervous system that you need to know about?

  Central and peripheral nervous systems
• What is the primary function of the nervous system?

  It facilitates internal communication and processes information from the environment
• What are the two main functions of the nervous system?

  To collect, process, and respond to information and to coordinate the working of organs and cells
• What are the two main parts of the central nervous system?

  • Brain
  • Spinal cord
• What role does the brain play in the central nervous system?

  The brain processes information from the senses and makes decisions
• What is the function of the spinal cord in the central nervous system?

  The spinal cord carries messages between the brain and the rest of the body
• What does the term 'peripheral' refer to in the peripheral nervous system?

  It refers to everything outside of the brain and spinal cord
• What is the role of the peripheral nervous system?

  It receives and sends messages to the central nervous system
• What is the function of the somatic nervous system?

  It is involved in voluntary movement and sends sensory information to the brain
• What does the autonomic nervous system control?

  It controls involuntary movements such as breathing and digestion
• What are the two parts of the autonomic nervous system?

  • Sympathetic nervous system
  • Parasympathetic nervous system
• What is the role of the sympathetic nervous system?

  It is responsible for the fight or flight response
• What happens during the fight or flight response?

  Adrenaline is released, increasing heart rate and breathing rate
• What is the function of the parasympathetic nervous system?

  It brings the body back to a resting state after a threat
• How does the parasympathetic nervous system affect heart rate and breathing rate?

  It reduces heart rate and breathing rate