Human Digestive System Essay

The human body is a complex unit of organs and organ systems whose functions are coordinated and related to realize an efficient, fully functional body. These systems include the circulatory system, which transports nutrients and oxygen to the rest of the body parts through blood, the nervous system and the digestive system. Others include the reproductive system and the respiratory system (Rosdhal, 2008). The digestive system involves numerous organs that function as a unit. The organs digest and absorb food and nutrients into the body. The absorbed nutrients are then transported to the rest of the body tissues and organs by blood. The process of digestion begins in the mouth and ends in the anus where the indigestible and the undigested food products are expelled from the body by a process called defecation. This essay discusses the processes that ingested food undergoes in various organs of the digestive system until its final stage where it is expelled from the body.Human Digestive System Essay Sample