Digestion

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What is the function of the mouth?
Breaking food down
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What happens in the mouth?
Teeth break down food mechanically. Saliva breaks down food chemically. Food is rolled into a bolus by the tongue and passes the epiglottis.
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What enzyme is involved in the mouth?
Amylase, acts upon starch.
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What is the function of the oesophagus?
Passing food from the mouth to the stomach.
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What happens in the oesophagus?
A wave of muscular contractions called peristalsis move food down.
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What is the juice made in the stomach?
Gastric juice.
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What does gastric juice contain?
Pepsin and hydrochloric acid. Pepsin digests protein into polypeptides, hydrochloric acid kills bacteria.
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What is the end product of food in the stomach?
Chyme
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What does the pyloric sphincter do?
Lets food pass slowly into the duodenum.
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What juice does the pancreatic duct contain?
Pancreatic juice.
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What does pancreatic juice contain?
ALT. Amylase - which breaks down starch to maltose. Trypsin
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Card 2

Front

What happens in the mouth?

Back

Teeth break down food mechanically. Saliva breaks down food chemically. Food is rolled into a bolus by the tongue and passes the epiglottis.

Card 3

Front

What enzyme is involved in the mouth?

Back

Preview of the front of card 3

Card 4

Front

What is the function of the oesophagus?

Back

Preview of the front of card 4

Card 5

Front

What happens in the oesophagus?

Back

Preview of the front of card 5
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