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Brain - Coggle Diagram

- - - - Reflex Arc
        
        Efferent (or "Motor") Neurons
        
        Interneurons ( or "Relay Neurons")
        
        Afferent (or "Sensory") Neurons
  - - - Sympathetic Division
        
        Arousing
      - Parasympathetic Division
        
        Calming
      - Regulates Involuntary Bodily Functions
    - - Voluntary Muscles & Movement
- - - - Neurotransmitters
        
        Chemical Messengers
        
        Reuptake
        
        Drugs
        
        Agonist
        
        Mimic Neurotransmitters
        
        Antagonist
        
        Block Neurotransmitters
      - Action Potential
      - Resting Potential
    - - Building Blocks of the Nervous System & Facilitate Brain Activity
  - - - Chemicals Synthesized by Glands of the Endocrine System
    - - Pineal Gland
        
        Synthesizes Melatonin to Regulate Sleep/Wake Cycles
      - Pituitary Gland
        
        "Master" Gland
- - - - Electroencephalogram (EEG)
      - Positron Emission Tomography (PET scan)
    - - Functional MRI (fMRI)
      - Magnetoencephalography (MEG scan)
  - - - Magnetic Resonance Imaging (MRI)
    - - Computed Tomography (CT scan)
- - - - Facilitates Higher-Order/Complex Critical Thinking & Processing Sensory Information
      - 4 Lobes: Occipital, Temporal, Parietal, & Frontal Lobes
    - - Facilitates Communication between the Left & Right Hemispheres