Stimulation of gastric juices, preparing the stomach for the arrival of food
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What is the Gastric Phase?
Enhances secretions started in the cephalic stage
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What is the Intestinal phase?
controls the rate of which " Chymes" enters the Duodenum. It inhibits gastric acid secretion; reduction in gastric mobility (Several hours)
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What are the two functions of bile?
Emglusify fats and to neutralise acids
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Which two hormones does the pancreas produce?
CCK and Secretin
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The first pancreatic secretion contains what?
a watery buffered solution
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What hormone initiates this?
Secretin
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the second pancreatic secretion contains what?
pancreatic enzymes
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This secretion is initiated by what hormones?
CCK
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Within Pancreatic secretion there are two cells which produce digestive enzymes, these are?
acinar cells and islet cells
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acinar cells produce which digestive enzymes?
tryspin, lipase and amylase
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islet cells produce beta cells which produce what
insulin- a hormone responsible for carbohydrate metabolism
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islet cells also produce alpha cells which produce
glucogon which has the opposite regulatory effect to insulin,
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what are the functions of the liver
production and excretion of bile, break down of proteins, storage of vitamin a,d,e,k,b12, iron, protien and fats. Liver also plays a part in blood clotting by converting fibrin to fibrogen (vitamin k)
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Other cards in this set
Card 2
Front
When you're hungry what are the psychological indications
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