The digestive system is a set of organs that transform the food that we eat into the necessary nutrients and vitamines that we need to live and grow.
PARTS OF THE DIGESTIVE SYSTEM
Mouth: Is in charged of crushing the food that we eat and then mix it with saliva. 
Esophagus: Is a conduit that transport the food from the mouth to the stomach.
Stomach: Produces gastric juices and it mixes them wi
Liver: It helps to break down food thanks to a liquid called bile. 
Small Intestine: Is in charged of absorbing the nutrients from the food mixed with bile and passing them into the blood.
Large Intestine: It transforms the undigested food into faeces. 
Rectum: Finally, the faeces leave the body through the anus. HOW THE DIGESTIVE SYSTEM WORKS?
In order to digest the food that we eat the digestive system has three different steps: digestion, absorption and elimination.
Digestion stage: The mouth, esophagus and stomach all help our body digest the food we eat.
Absorption stage: The small intestine absorbs, the nutrients from the food.From the small intestine, the nutrients go into your blood.
Elimination stage: The large intestine and rectum transform the undigested solids into faeces.
ILLNESSES
Heartburn: It is a painful burning feeling just below or behind the breastbone. Most of the time, it comes from the esophagus. The pain ofthen rises in your chest from your stomach. It may also spread to your neck or throat.
Constipation: In infants and children occurs when they have hard stools or have problems passing stools. A child may have pain while passing stools or may be unable to have a bowel movement after straining or pushing.
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