3. things that happen in the oral cavity - 1. chewing and saliva breakdown the food.
2. Before reaching the stomach it develops into a ball called bolus.
3. saliva lubricates the food so it slides down the esophagus and it goes down to your stomach where it sits for
2-3 hours and then gets excreted.
2. Before reaching the stomach it develops into a ball called bolus.
3. saliva lubricates the food so it slides down the esophagus and it goes down to your stomach where it sits for
2-3 hours and then gets excreted.