Answer: Option B.
The muscular system
Step-by-step explanation:
Food move through digestive system with the help of muscular system.
We food is taken in, food move through the gastrointestinal tract by a process called peristalsis by the help of a layer of smooth muscle. This muscle help to break down food and transport the food along the gastrointestinal tract. The muscle of small intestine and digestive juices that is secreted by pancreas break it down and push it forward for continuous digestion.