The pseudo human body device 11 includes an animal-derived organ 12 having a biological tissue 26 and a blood vessel 17 extending from the biological tissue 26, a blood reservoir storing blood to be sent to the blood vessel 17, a blood vessel 17 and the blood reservoir , A pump section 21 provided in the middle of the tube 18 for sending blood to the blood vessel from the blood reservoir, steam having a temperature higher than room temperature is delivered into the cover 23 And humidifies the organ 12 and places the organ 12 at a temperature of 20 C to 50 C.疑似人体装置11は、生体組織26と、生体組織26から延びる血管17と、を有した動物由来の器官12と、血管17に送る血液を貯留した血液貯留部と、血管17と前記血液貯留部とを接続するチューブ18と、チューブ18の途中に設けられ前記血液貯留部から前記血管に血液を送るポンプ部21と、前記器官を収納し、室温よりも高い温度の蒸気をカバー23内に送って器官12に加湿するとともに器官12を20℃乃至50℃の温度にする収納部と、を備える。