an essay about the digestive system.
Your essay should contain some physiology and some appropriatechemistry. It should explain how the anatomical structures of thedigestive system are well suited to perform the functions that theydo. Your essay could include a discussion of the role of theaccessory organs in digestion. Your essay could discuss thechemical reactions that constitute the breakdown of complexmolecules into simple molecules. It could follow in detail how thedigestion and absorption of protein or carbohydrate or lipid occurs(or all three in less detail). It may also discuss how theprocesses of digestion are controlled.
