'Gravity isn't required to move food down to your stomach; this process moves it down the esophagus'
peristalsis
THE DIGESTIVE SYSTEM: Gravity isnt required to move food down to your stomach; this process moves it down the esophagus
Gravity isn't required to move food down to your stomach; this process moves it down the esophagus
Gravity isn't required to move food down to your stomach; this process moves it down the esophagus
THE DIGESTIVE SYSTEM
peristalsis
THE DIGESTIVE SYSTEM