digestive system part 3 Flashcards
The liver metabolizes….
carbohydrates
proteins
fats
The liver stores…
carbohydrates
fats
vitamins and minerals
where is the liver located?
under the diaphragm in the upper right quadrant
What is the structure of the liver?
it consists of 4 lobes which are made up of thousands of lobules.
- lobules are the functional unit of the liver
oxygenated blood flows to the liver via
the hepatic artery
Venous blood flows away from the liver via
the hepatic portal vein
what are sinusoids?
vascular channels allowing exchange between blood and hepatocytes
what is Lipolysis
the break down of stored fats into fatty acid and glycerol
what is transamination
where amino acids are converted into new amino acids by transferring an amine group.
- this is important for synthesis of non-essential amino acids
what amino acids must be consumed in our diet due to the body not being able to synthesis them in adequate amounts?
essential amino acids
there are 20 amino acids, how many are essential?
10
what does the liver synthesis, that aids with the emulsification and absorption of lipids, cholesterol, phospholipids and lipoproteins in the small intestine?
bile salts
what cells in the liver phagocytise aged red and white blood cells and some bacteria?
kupffer cells
