THE DIGESTIVE SYSTEM

The digestive system is a long tube that starts in the mouth and ends in the anus.

• Digestion begins when we chew food in our mouth and mix it with saliva.
• This mixture goes down the oesophagus to the stomach.
• In the stomach, it mixes with gastric juices.
• Next, the mixture passes into the small intestine. Nutrients are absorbed and pass into the blood.
• Undigested food and waste continue on to the large intestine, where water is absorbed and faeces are formed.
• Faeces are excreted through the anus.

THE DIGESTIVE SYSTEM

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THE DIGESTIVE PROCESS

We need to take in food for our body to function.
Food travels through the different organs of the digestive system.
It is broken down into small parts called nutrients that our body can absorb.
Digestion is the process that enables us to obtain nutrients from the food we eat: nutrients pass into the blood.
Waste and undigested food are excreted from the body as faeces.

Food. From Wikipedia