paper

APDigestion.ppt

Almost there…

The Digestive System

Drooling over Thanksgiving…

The Digestive System

4 layers to the digestive tract…

Swallowing…

& propulsive motility…

Into the stomach…

Into the stomach…
for protein digestion…

Let’s not go overboard -
mucosal barrier

Into the stomach…
with the
HCl…

Into the stomach…
get the juices
flowing…

Into the
stomach…
for mixing…

Into the stomach…
for emptying into the duodenum…

Out of the stomach…
emptying into the duodenum…
turn off the juices!

On to the duodenum
with a pinch of pancreatic secrections…

and a dash of biliary secretions…

Bile salts…

Micelles…

Time to MIX & MOVE…

& ABSORB…

& ABSORB…
CARBS

& ABSORB…
PROTEIN

& ABSORB…
FAT

Through
the
Ileocecal
sphincter
and
On
to the
Colon

The
Colon