Liver and Its Role
Location
and Appearance
In body, it is the biggest gland.
It looks dark-reddish in colour.It is multi-lobed and present at the right side
of the abdomen under the diaphragm.
Weight
Its size is of football and 1.5kg
in weight.
Gallbladder
It is pear-shaped sac which is
greenish yellow in color.
Its location
On ventral side, it is present at
the right lobe of liver.
Bile
Bile is the dark green or yellowish brown
liquid. Liver releases bile that is stored in the gall bladder. Through common
bile duct, bile is released into duodenum when gallbladder is contracted. No
enzyme is present in the bile but for the emulsification of the lipid it has
bile salts.
Liver also perform
many other functions besides digestion such as
·
It helps in the process called de-amination that
is removal of amino groups from amino acids.
·
It helps in the formation of urea by conversion
of ammonia to a less harmful form (urea).
·
It helps in the destruction of old red blood
cells.
·
It helps in the manufacturing of fibrinogen
(blood clotting protein).
·
Its function is the conversion of glucose into
glycogen and glycogen into glucose according to the requirement.
·
It forms cholesterol and help in the conversion
of protein and carbohydrates into lipids.
·
To maintain the body temperature, it forms heat.
·
It stores many mineral ions like iron and also
stores fat-soluble vitamin like vitamin A, vitamin D, vitamin E, and vitamin K.
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