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Temperature (Hypothalamus Part of the brain located in between the…

- - - - Voluntary movement Any movement that requires muscular activity/ exercise requires additional energy
      - Involuntary shivering A response to temperature differences in the body; caused by very cold external/environmental temperature
      - Rest Heat that is generated from involuntary functions not sensed by the consciousness.
      - Non-shivering thermogenesis Main source of heat generation for newborns (since they cannot shiver until 2 weeks of age). Done through relying on vasoconstriction and increasing levels of norepinephrine.
  - - - Radiation Loss of heat through indirect contact
      - Convection Loss of heat through air movement
      - Conduction Loss of heat through direct contact
      - Evaporation Transfer of heat energy when a liquid is changed to a gas