图1表示“观察小鱼尾鳍内血液的流动”实验材料的处理,图2表示显微镜下观察到的视野图象.请根据实验的方法步骤和现象,回答下列问题:
This is a photo of my family . I'm John . I'm ten . My sister is seven . We are in the same school .My grandparents are Americans . My father is 42 .He is a driver . My mother is 40 . She is a teacher . We are very happy .