Which of the following is a chemical change to matter by the digestive system? Select one:

food is mixed together

bonds of large molecules break to form smaller molecules

food is broken into smaller pieces

nutrients and water are absorbed

a boiling water reactor does not boil the water. a pressurized water reactor boils the water faster. a pressurized water reactor is heated directly by the core. a pressurized water reactor does not use fission.

if you're asking what comes out, it's steam.