Body cavity where food is received and digestion is begun by tearing, grinding, and chewing it with the teeth while mixing with saliva to begin the chemical breakdown needed to dissolve, lubricate and dilute food for proper swallowing.
Body cavity where food is received and digestion is begun by tearing, grinding, and chewing it with the teeth while mixing with saliva to begin the chemical breakdown needed to dissolve, lubricate and dilute food for proper swallowing.