Large food molecules are broken down into glucose the cells can use in the system.

digestion

Explanation:

he mouth. Digestion begins even before the food enters the mouth.

through digestion large food particles are converted into smaller components that can be readily absorbed into the bloodstream surcrase binds to the active site of sucrase and the put stress on the bond between the two sugars that make up sucrase the bond breaks releasing glucose and fructose

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).