Archive for September 17th, 2006
How Digestive System Works
Sunday, September 17th, 2006Almost all animals have a tube-type digestive system in which food enters the mouth, passes through a long tube, and exits as feces (poop) through the anus. The smooth muscle in the walls of the tube-shaped digestive organs rhythmically and efficiently moves the food through the system, where it is broken down into tiny absorbable […]
Human Digestive System
Sunday, September 17th, 2006The human digestive system is a complex series of organs and glands that processes food. In order to use the food we eat, our body has to break the food […]
