Enzymes

The point of your digestive system is to break up food. All the different proteins, fats and carbohydrates are extremely complicated and big molecules and can not go through all the things they need to because they are too big. For example you have a block of Lego. It is very big and will not fit through the door you want to get it through. What do you do? You break it up in to smaller pieces and it fits through! This is exactly what the digestive system does. It breaks up the molecules of food so it can be absorbed through the microscopic holes of the body. There are many stages of this and first we’ve got to start at when you eat it!
When you swallow your food it goes ...