1) How does digestive sytem work  a) BY braking down food into smaller molecules b) By chewing food 2) what are the name of any step a) ingestion b) hard working 3) where does the digestive system start on a hamster a) ear b) tongue c) mouth d) nose 4) How long is your digestive system  a) 20 feet long b) 50 feet long c) 40 feet long d) 30 feet long 5) whereis the digestive system  a) from your throt to your hip  b) from the mouth to the anus  6) what is digestive system a) digestive system coverts the food you eat  b) alows you to be able to eat 

Digestive system

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？