The digestive system is responsible for supplying the body with the nutrients needed for carrying out bodily functions. It breaks down the food we eat into smaller particles, which is then used by the body to generate energy.
What organs make up the digestive system?:
- Mouth, Oesophagus, Stomach, Small Intestine, Large Intestine, Rectum
Food is broken into smaller pieces in the mouth by chewing.
These pieces, being easy to swallow and digest, travel down the oesophagus to the stomach.
The stomach contains juices which break down these particles into smaller molecules.
Small Intestine :–
The food is further broken down in the small intestine. Glands like the liver and pancreas produce bile and pancreatic juice, which help in the process. The simple molecules are then absorbed into the blood stream from the small intestine and sent to all the parts of the body.
Large Intestine :–
Water is absorbed from the remaining food in the large intestine.
The leftover solid waste is thrown out of the body through the rectum.
What are the end products of digestion?
Proteins ——-> Amino Acids
Fats————–> Fatty Acids
Starch———–> Simple Sugars
The small intestine is over 20 feet long. Food can travel for over 12 hours in our digestive system before it gets completely digested.
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