A diagram of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) 白色背景 解剖 人类的表示形式 Human Skeleton
None 互联网 Globe - Navigational Equipment 电话 Globe, mobile phone, ''at' symbol and binary code against coloured background
A diagram showing back and side views of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) 白色背景 解剖 人类的表示形式 Human Skeletons