When muscles contract and move the food along the digestive system.
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Describe each of the following
. . .
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Oesophagus
Its job is to pass food down from the mouth into the stomach
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Gall bladder
Bile is stored here until it is needed. Food does not pass through here.
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Liver
produces bile. No food passes through here either
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Anus
A ring of muscle that opens to let faeces out
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Mouth
Food is chewed into small pieces and saliva starts to digest it.
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Stomach
Stores food, churns it up and mixes it with the digestive juices
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Pancreas
Produces enzymes to help digest food. Food does not pass through here
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Which organs does NO food pass through?
Liver, gall bladder, Pancreas
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What does the small intestine do?
Most food is digested here. Digested food is absorbed into the blood stream
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Large intestine?
Where undigested food food passes through. Water is absorbed from this back into the body.
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What are the first stages of digestion?
The mechanical process happens as the mouth chews up the food and mixes it in with saliva to absorb the small molecules.
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The 2nd stages of digestion?
The food is passed down through the oesophagus where peristalsis takes place.
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Then what happens?
The stomach stores the food. It contains hydrochloric acid that kills germs.
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Then?
It is the passed on to the small intestine where it absorbs the digestive food into the bloodstream. Then it passes onto the large intestine where all the undigested food passes through.
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Finally?
It is passed into the rectum and released from the anus as poo!
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