The digestive or gastrointestinal system process begins with food and fluids entering the mouth making a downward passage through the stomach and intestines .
(The digestive or gastrointestinal system process; begins; with food and fluids entering the mouth) (food and fluids; entering; the mouth)
The digestive or gastrointestinal system process food and fluids
begins entering
with food and fluids entering the mouth
the mouth