-
ngestion FoodProcessing is
act of
eating
:
of down food into molecules
Digestion process breaking
small
enough to absorb
:
to
Mechanical
digestion chewing/grinding increase A.,
making digestion
:
·
S .
easier
-Chemical food small molecules that
digestion
:
splits into can
pass through membranes
Enzymatic hydrolysis Splits :
bonds in molecules
by adding
water
&
epithelial cells control what enters blood
fight junctions Keep epithelial cells joined
:
,
Absorption :
is
uptake of small molecules
by body
Elimination of material out of
undigested
·
:
passage
the
digestive system
, Nutrient Extraction
animals process food
specialized compartments
-
intestine in
large water intake
mostly
-these compartments reduce of
Small
most
intestines
nutrient
risk animal
digesting
here its own cells & issues
absorption
Protects tissues while B
body allowing acids
-
enzymes
to break down nutrients
Extracellular
Digestion
the breakdown of food particles outside of cells
·
It occurs in
compartments that are continuous w/ the
outside of the animal's
body
Digestive Systems astrointestinal
9of
tract
Alimentary Canal :
digestive tube w/z
openings ,
60 % cell types-epithelial tells
tract
Complete digestive
=> #
ofofficial
accessory glands are not
apart digestive tract, but secrete
digestive juices through ducts into the
alimentary canal
Mammalian
accessory glands are
·
the salivary glands 3 pair glands
:
secreted into mouth
the pancreas : lots of
enzymes B Secretionsl
·
for food
the liver : makes bile
digestion
·
into small intestine
- the
gallbladder : releases bile
Oral Cavity
-food oral cavity
processing begins in
salivary glands lubricate food
-Saliva contains mucus :
viscous mix of water salts
,
B glycoslyted
-
proteins also contains
amylase
Amylase in saliva breaks down starch
by hydrolyzing bonds between starch
-
:
,
-tongue movements shape food into a bolus (ball) to help swallow
ngestion FoodProcessing is
act of
eating
:
of down food into molecules
Digestion process breaking
small
enough to absorb
:
to
Mechanical
digestion chewing/grinding increase A.,
making digestion
:
·
S .
easier
-Chemical food small molecules that
digestion
:
splits into can
pass through membranes
Enzymatic hydrolysis Splits :
bonds in molecules
by adding
water
&
epithelial cells control what enters blood
fight junctions Keep epithelial cells joined
:
,
Absorption :
is
uptake of small molecules
by body
Elimination of material out of
undigested
·
:
passage
the
digestive system
, Nutrient Extraction
animals process food
specialized compartments
-
intestine in
large water intake
mostly
-these compartments reduce of
Small
most
intestines
nutrient
risk animal
digesting
here its own cells & issues
absorption
Protects tissues while B
body allowing acids
-
enzymes
to break down nutrients
Extracellular
Digestion
the breakdown of food particles outside of cells
·
It occurs in
compartments that are continuous w/ the
outside of the animal's
body
Digestive Systems astrointestinal
9of
tract
Alimentary Canal :
digestive tube w/z
openings ,
60 % cell types-epithelial tells
tract
Complete digestive
=> #
ofofficial
accessory glands are not
apart digestive tract, but secrete
digestive juices through ducts into the
alimentary canal
Mammalian
accessory glands are
·
the salivary glands 3 pair glands
:
secreted into mouth
the pancreas : lots of
enzymes B Secretionsl
·
for food
the liver : makes bile
digestion
·
into small intestine
- the
gallbladder : releases bile
Oral Cavity
-food oral cavity
processing begins in
salivary glands lubricate food
-Saliva contains mucus :
viscous mix of water salts
,
B glycoslyted
-
proteins also contains
amylase
Amylase in saliva breaks down starch
by hydrolyzing bonds between starch
-
:
,
-tongue movements shape food into a bolus (ball) to help swallow
