Download Functions of the Digestive System

Name: ______________________________________ Date: __________ Period: ______
THE DIGESTIVE SYSTEM Outline and Online activity
Directions:
1. Use the ppt and online resources to complete the following chart
Functions of the Digestive System
 Digestive system  converts ______________ into small molecules that can
be used by the _____________ of the body. There are ______ phases of
digestion.
Ingestion
The first step is getting __________ into the system.
Ingestion is the process of ________________________________________,
the opening of the digestive tract.
Mechanical digestion is the _______________________________________
____________________________________________________________.
The smaller pieces can be _____________________ and accessed by
Digestion
_______________________________
During chemical digestion ________________________________________
____________________________________________________________
Absorption
Elimination
Process of Digestion
What occurs during digestion?
 human digestion is built around an ___________________________ - a 1-way tube that
passes through the body
 during digestion, food travels through the _______________, ___________________,
_________________, and ______________________________.
STRUCTURE
FUNCTION
____________________ begins _________________________ digestion.
mouth
and
teeth
Chemical digestion begins as __________________________________
in ____________ start the breakdown of ___________________________
_____________________ secrete _______________ which helps
saliva
_______________ food and makes it easier to chew.
Saliva contains _____________________ which breaks bonds in
___________________ to form ___________________.
Tube that connects the _________________ to the ___________________.
esophagus
Peristalsis is
The stomach is a ___________________________________________________.
stomach
(chemical&
mechanical
digestion)
small
intestine
Some gastric glands produce __________________________________ and
others produce ____________________ which breaks____________________
into smaller fragments.
Most of the ____________________ digestion and _______________________
of food you eat occurs here.
The ___________________ and __________________ secrete enzymes into the
stomach.
Located _______________________________________________________.
pancreas
Produces enzymes that break down ____________________________________
____________________________________________________.
Secretes ________________ into the pancreas to break down fat.
liver &
gall bladder
Secretes a fluid called ________________ which helps the pancrease to break
down
globs of ______________.
Bile is stored in the _______________________________.
Absorption and Elimination
How are nutrients absorbed and wastes eliminated?
 once the ___________________________ has completed the digestive process, nutrients
must be _______________________ from the alimentary canal.
 Most nutrients from food are absorbed through the _____________________________.
 The ________________________ absorbs __________ and several ________________
and prepares for ________________________________
absorption
from
SMALL
INTESTINE
absorption
from
LARGE
INTESTINE
Elimination