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Tuesday, 31 January 2017
Monday, 30 January 2017
The digestive system
Our digestive system allows our body to
get the nutrients it needs from the food we eat.
* The digestive process starts in the mouth. We chew food with our teeth and
mix the food with saliva.
* Our tongue pushes the food around our
mouth to a tube called the oesophagus.
* The food travels down the oesophagus to
our stomach. The stomach is like a
mixer. It uses gastric juices to turn the food into a thick liquid.
*The thick liquid travels to a long tube
called the small intestine. The small
intestine breaks down the food mixture even more.
* The liver
and the pancreas send juices to the
small intestine so that our body can now absorb the nutrients in the food.
* The remains of the food that our body
can´t use go to a wide tube called the large
intestine. Here our body has its last chance to take water from the food.
* The remains finally leave our body through
the anus.
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