BBC2 年
The structure of the digestive system
The digestive system breaks down food into tiny particles ... Pancreas This releases enzymes into the intestines which break down carbohydrates, protein and lipids in food. This one is going ...
BBC3 年
The structure of the digestive system
The digestive system breaks down food into tiny particles ... Pancreas This releases enzymes into the intestines which break down carbohydrates, protein and lipids in food. This one is going ...