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Response to Stimuli - Coggle Diagram

- - - - Sympathetic (fight or flight)
      - Parasympathetic (rest and digest)
    - - Voluntary actions
- - - - Found in brain
      - Monitors and controls homeostasis
      - Bridge between nervous and endocrine systems
      - Secretes hormones that act on the pituitary gland
    - - Master gland
      - Secretes hormones that act on other endocrine glands
      - Found in brain
    - - Secretes hormones that alter body metabolism, raising or lowering temperature
    - - Secretes hormones that prepare the body for fight or flight
      - Adrenaline
    - - Secretes hormones that alter and maintain blood glucose levels
      - Insulin - hormone that decrease blood glucose level
      - Glucagon - hormone that increases blood glucose level
- - - - Definition - response in the body to counter a change imposed by external environment
      - Examples
        
        Thermoregulation
        
        Too hot
        
        Sweat to cool down
        
        Too cold
        
        Shiver to warm up
        
        Blood glucose level
        
        Too high
        
        Secrete insulin to store glucose
        
        Too low
        
        Secrete glucagon to release stored insulin
- - - - Humans
      - Kangaroo
      - Emu
  - - - Conduction - lying on warm rock
      - Convection - moving to different water depth / temp
      - Radiation - basking in sunlight
    - - Lizards
      - Frogs
      - Fish