Read below some line on digestion system essay in English for education purpose. Given here a short notes about digestion system in English. पाचन तंत्र के विषय मे जानकारी अग्रेंजी भाषा मे दी गयी हैं।
Our body uses food to live. The food we eat is not used directly for providing energy.It is broken down into simpler substance by various organs. This process of breaking down of food into similar substance so that it can be used plants-by the body is called digestion.
Digestion of food is a slow process and it takes place in a few steps. Several organs like the mouth, food-pipe, liver,stomach and intestines work together to digest the food. All these organs that work together to digest the food the digestive system.
The process of digestion beings in the mouth. We eat food with mouth. When we chew the food, it is broken down into smaller pieces by the teeth. As we chew the food, the food mixes with the saliva in the mouth. Saliva is a digestive juice which make the food soft and breaks down the starch present in food for easy digestion.
The tongue pushed the food down the food-pipe. This process is called swallowing.
When we shallow the food, it goes into the food-pipe, which joints the mouth and the stomach.
Stomach is a bag of muscles. It contains the digestive juices.The food remains in the stomach for a few hours. The stomach churns food all the time and the digestive juices break down the proteins in the food into simpler substance.
Stomach also adds acid to the food, which kills the germs that may be present in the food. From stomach, the food enters a long and narrow tube called small intestine. In the small intestine, some more digestive juices mix with the food. These juices are produced by organs called liver and pancreas.
These digestive juices help in digesting the carbohydrates,fats and proteins in the food These juices help to digest the food completely which is almost like a liquid. Digestion of the food is completed in the small intestine.
The blood vessels present on the walls of the small intestine absorb the digested food and carry it to each and every part of the body.
The undigested food enters the large intestine, which is a broad but short tube. The blood vessels in the walls of the large intestine absorb the water from the undigested food.
