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Organ
MOUTH
TEETH
Structure
True or
Function
Chemical or
Accessory ?
Mechanical?
-where food
True
-starts the
BOTH
enters the
breakdown of (mechanical
body
food
with teeth;
chemical with
saliva)
Accessory
-chewing
breaks food
into small
pieces to
increase
surface area
Mechanical
Organ
Structure
SALIVARY
GLANDS
-grainy sacs
under the
tongue and
in the roof of
the mouth
TONGUE
-muscle at
the bottom of
the mouth
True or
Accessory?
Accessory
Accessory
Function
-produce
saliva with
amylase that
breaks down
starch
-pushes food
to the back of
the mouth
-contains
taste buds
Chemical or
Mechanical?
Chemical
Mechanical
Organ
Structure
True or
Accessory?
Function
Chemical or
Mechanical?
PHARYNX
-the back of
the throat
True
passageway
for food and
air
Mechanical
epiglottis= a
small flap of
tissue that
blocks the
entrance to
the trachea
when
swallowing
Organ
Structure
ESOPHAGUS
-a long
muscular
tube
True or
Function
Chemical or
Accessory ?
Mechanical?
True
-brings food Mechanical
from mouth
and pharynx
to the
stomach
peristalsis =
strong
wave-like
muscle
contractions
of the
esophagus
Organ
Structure
STOMACH
-a muscular
sac with
thick,
expandable
walls
True or
Accessory?
True
Function
-stomach
walls contract
to mix and
churn food
Chemical or
Mechanical?
Mechanical
-glands
Chemical
release acids
and enzymes
-pepsin
to breakdown breaks down
food
proteins.
-mucus is
produced to
lubricate the
digestive
tract &
protect the
stomach
lining
-a small
amount of
lipase
breaks down
some lipids
Organ
Structure
SMALL
INTESTINE
-a tube
connected to
the stomach;
about 2.5 cm
wide and 6 m
long!!!
True or
Accessory?
True
Function
Chemical or
Mechanical?
Chemical
-food is
broken down
more &
-remaining
nutrients are
carbs,
absorbed
proteins, and
lipids are
villi =
broken down
projections
that line the
inside of the
small
intestine.
They absorb
nutrients
from the
food.
What helps the small intestine digest and absorb the nutrients???
THE ACCESSORY ORGANS!
Organ
Structure
LIVER
- a large
organ
located on
the right
side of the
body
True or
Accessory?
Accessory
-small and
sac-like
-processes
and stores
nutrients and
produces bile
Chemical or
Mechanical?
Chemical
bile = a
digestive
fluid that
breaks up fat
into droplets
- it consists
of 4 lobes
in the
human
GALL
BLADDER
Function
Accessory
-stores and
secretes bile
Chemical
Organ
Structure
PANCREAS -a gland that
looks like a
triangular
cluster of
grapes
LARGE
INTESTINE
(a.k.a.
COLON)
-a tube that
makes an
upside down
U over the
small
intestine
-about 6cm
wide and 1.5
m long
True or
Accessory?
Function
Chemical or
Mechanical?
Accessory
-secretes
enzymes into
small
intestine to
breakdown
carbs,
proteins, and
fats
Chemical
True
-absorbs
-neither, by
excess
this time the
water,
food is
sodium, and
already
minerals
digested and
-compacts
only waste
waste
remains
Organ
Structure
RECTUM
-the last
15-20 cm of
the large
intestine
True or
Accessory?
True
Function
Chemical or
Mechanical?
-store feces -neither, the
until it’s
food has
released
already been
through the
digested
anus
-connects
large
intestine to
anus
ANUS
-a sphincter
muscle
True
-where feces
exits the
body
neither