Answer:
digestive system
Step-by-step explanation:
The digestive process
Organ Movement Food Particles Broken Down
Esophagus Peristalsis None
Stomach Upper muscle in stomach relaxes to let food enter, and lower muscle mixes food with digestive juice Proteins
Small intestine Peristalsis Starches, proteins, and carbohydrates
Pancreas None Carbohydrates, fats, and proteins