what is digestion?

what is a digestive system?

what is a bolus?

what is a esophagus?

what is a small intestine?

what is a large intestine?

what is a duodenum?

what is a anus?

what is a sphincter?

were does the digestive tract start and finish

what are the two types of digestions?

what chemical digestion?

what is mechanical digestion?

what is ileum?

what is pancreas?

what is peristalses?

what is gastric juice?

what is epiglottis?

what are the four types of teeth?

what is saliva?