BBC2 年
The structure of the digestive system
Well, okay, the large intestine doesn't use a tea towel, but it does absorb moisture and nutrients from the food. Cut a small hole in the end of the tights and squeeze out the remaining undigested ...
BBC3 年
The structure of the digestive system
Well, okay, the large intestine doesn't use a tea towel, but it does absorb moisture and nutrients from the food. Cut a small hole in the end of the tights and squeeze out the remaining undigested ...