Goosebumps present since Human Evolution
Goosebumps: Heat Conserving Mechanisms
Symphathetic Stimulation Of Arrector Pili Muscles
Heat Conserving Mechanisms
Hypothermia: Sympathetic Stimulation = Vasoconstriction
Hyperthermia: Symphathetic Cholinergic Stimulation
Snapshot
People like them can never get Goosebumps
Reptilian Man
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