体温的调节 Heat input Heat production Heat loss Evaporation Radiation Radiation Conduction- Body heat Conduction Convection Internal heat production ■ From From metabolism muscle contraction "Waste heat" Nonshivering Shivering "Wasteheat" thermogenesis thermogenesis Regulated processes for temperature homeostasis Set-point theory调定点学说 体温的调节 Set-point theory调定点学说