Digestive System

                              DIGESTIVE SYSTEM

The Digestive System is responsible for transforming food substances into nutrients.

The aliments enter by the mouth, then the teeth chew it and the food pass into the stomach, but first pass by the pharynx and the esophagus . Later they pass to the intestines , what serves to feed us goes to the blood and  what does not serve is eliminated by the anus.

This are the parts of the Digestive System.

• ·      Mouth: The mouth is placed at the commencement of the alimentary canal.
• ·      Tongue: The tongue is the organ of the special sense of taste. It is situated in the floor of the mouth
• ·      Pharynx: The pharynx is that part of the alimentary canal which is placed behind the nose and mouth.
• ·      Esophagus: The esophagus is a muscular canal, about nine inches in lights extending from the pharynx to the stomach.
• ·      Stomach: The stomach is the principal organ of digestion. It is the most dilated part of the alimentary canal. It is situated between the termination of the esophagus and the commencement of the small intestine.
• ·      Small Intestine: The small intestine is a convoluted tube, extending from the pylorus to the ileo-caecal valve, where it terminates in the large intestine.
• ·      Large intestine: The large intestine extends from the termination of the ileum to the anus. It is about five feet in length, being one fifth of the whole extent of the intestinal canal.
• ·      Anus