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17 Cards in this Set
- Front
- Back
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What is the function of the mouth and oral cavity? |
The teeth are used to mechanically break down food into smaller pieces |
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What is the function of saliva? |
To lubricate food |
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What is the function of salivary amylase? |
Digests starch into maltose |
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What does epiglottis do? |
Closes off trachea so good goes down the oesophagus |
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What's the function of the oesophagus? |
Peristalsis carries food to the stomach |
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Function of the stomach? |
Short term storage Enzymes start to digest proteins Churning of stomach turning food into chyme Liquefying food to pass into intestine |
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Function of the pancreas? |
Produces pancreatic juice from digestive enzymes and neutralises hydrochloride acid |
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What is pancreatic justice and its function? |
Pancreatic juice occurs in the duodenum and uses enzymes to break down food.The pancreatic analyse converts starch to maltose. Pancreatic lipase converts lipids to glycerol and fatty acids. Active enzyme trypsin converts protein to peptides. |
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Function of the liver? |
Produces bile which emulsifies fats and breaks down lipids. Also storage and processing of nutrients and detoxification occurs |
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Function of the gall bladder? |
Storage of bile and regulates enzymes |
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Function of the small intestine? |
To absorb nutrients by increasing the surface area. Also lined with villi that absorb nutrient molecules |
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What is the function of the large intestine? |
Water is absorbed along with soluble compounds such as vitamins and minerals; undigested food leaves body as faeces |
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What is the small intestine made up of? |
3 sections: 1. Duodenum: begins the digestion and reviewed juices 2. Jejunum: midsection 3. Ileum: longest section |
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What is peristalsis and its function? |
The process which fun irons through muscle contractions (like in the oesophagus) where the Nokia moves downwards allowing the oesophageal sphincter to close once in the stomach |
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What is peristalsis and its function? |
The process which fun irons through muscle contractions (like in the oesophagus) where the bolus moves downwards allowing the oesophageal sphincter to close once in the stomach |
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What is salivary amylase? |
It's an enzyme that beaks down starch into maltose
Digestion starts in the mouth with this salivary amylase |
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What is the digestive systems equation process? |
Ingest --> digest --> absorb --> eliminate |
