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D3 Functions of the Liver
IB Syllabus
9
Biology
11th Grade
05/22/2015

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Term
name the four most important roles of the liver.
Definition
Cleaning the blood, Storage of nutrients, Production of cholesterol, Production of bile
Term
What does the liver do to glucose?
Definition
stores it as glycogen, converted to glycogen by insulin.
Term
How does the liver clean the blood predominantly?
Definition
recycling the components of dead red blood cells.
Term
What is the function of kupffer cells?
Definition
to start the breakdown of erythrocytes with phagocytosis (white blood cells engulfing) of red blood cells. they also break down hemoglobin into heme and globin
Term
Why is iron carried to the bone marrow?
Definition
to produce hemoglobin in new red blood cells
Term
what is bile made from
Definition
bilirubin (made from a yellow pigment made from heme)
Term
What is jaundice?
Definition
When a disease interferes with the normal metabolism and excretion of bilirubin, it can build up in the blood. The result od which the skin and eyes change to a yellow color due to excess bilirubin.
Term
What happens to surplus cholesterol?
Definition
converted to bile salts
Term
What do liver cells do to toxic substances?
Definition
absorb toxic substances from the blood and convert them into non-toxic or less toxic substances, using a range of chemical conversions.
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