The process of making new molecules from the products of digestion by the liver
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What is the function of the hepatic vein?
carries deoxygenated blood away from the liver
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What is the function of the hepatic artery?
carries oxygenated blood to the liver
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What is the function of the hepatic portal vein?
carries the products of digestion from the ileum to the liver
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What is the function of the bile duct?
releases bile into the duodenum
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Why does the liver need a good blood supply? (4)
To carry the products of assimilation away, antibodies and hormones created in the liver can be secreted into blood, so that the liver can detoxify the blood and recycle haemoglobin from old red blood cells
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What does the liver convert Glucose to? (2)
Glycogen, and excess to fat
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What does the liver convert amino acids to?(2)
new protein structures, excess to ketones
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What does the liver convert glycerol and fatty acids to? (3)
new membranes, other fats (storage), hormones
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List at least 3 functions of the liver
detoxification, processing of nutrients, storage of nutrients, recycling of red blood cells, conversion of cholesterol to bile salts, production of plasma proteins (eg:immunoglobulins)
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What does the liver detoxify? (4)
ethanol, food preservatives, pesticide/herbicide residues, ammonia (converted to urea)
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What is a hepatocyte?
liver cell
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What is a sinusoid? (3)
Wide blood vessel; capillary, in liver
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What is the function of a hepatocyte? (2)
to filter the blood, absorb and store nutrients
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What are excess amino acids converted to in the liver? (2)
ammonia-->urea, or keto acid-->glucose
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What is heamoglobin broken down into in the liver? (2)
globins, haem groups (Iron & bile pigment-Bilirubin)
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