Digestive
System
Digestive
System
Digestive System
Functions & Organs of Digestive system
Digestion - Breaking down of ____
food
1) ________
• Mechanical & Chemical digestion takes
stomach
place in the mouth and _________
2) Absorption of food molecules into your _____
blood
Nutrients pass through walls of digestive organs &
• ________
into blood
 Occurs mainly in ______
Small _________
Intestine & Stomach
wastes
3) Elimination of ________
• Materials that are not ________
absorbed are moved out
through the _____
Large _________
Intestine
Read pages 60 - 61
Digestive System Organs

1. _____ - teeth grind chemicals and saliva starts to
break food down

2. ________ - muscular tube that connects mouth and
stomach - mucus lined

3. ______ - mostly mechanical digestion, some chemical

4. ______ - produces bile juice for chemical digestion

5. ___ ______ - stores bile, releases into small intestine

6. _______ - produces enzymes to break down starches,
proteins and fats

7. _____ _________ - readies undigested food for
elimination from body

8. _____ _________ - mostly chemical digestion &
absorption takes place here
Read pgs. 62 - 65 & pgs. 68 - 71
Digestive System Organs

Mouth - teeth grind and chemicals (saliva) starts to

Esophagus - muscular tube that connects mouth and


break food down
stomach - mucus lined
Stomach - mostly mechanical digestion, some chemical
Liver - produces bile juice for chemical digestion
Digestive System Organs

Gall Bladder - stores bile, releases into small intestine

Pancreas - produces enzymes to break down starches,

Small intestine - mostly chemical digestion &

Large intestine - readies undigested food for
proteins and fats
absorption takes place here
elimination from body
Interactive Digestive System
What organ in the digestive
system absorbs most of the
nutrients out of food?
1.
2.
3.
4.
mouth
esophagus
small intestine
large intestine
What does the gall bladder do?
1.
2.
3.
4.
Muscular tube that connects mouth and
stomach - mucus lined
Produces bile juice for chemical digestion
Stores bile, releases into small intestine
Main location where nutrients are
absorbed from food
What does the liver do?
1.
2.
3.
4.
Produces bile juice for chemical digestion
Stores bile, releases into small intestine
Absorbs fluids back into body and readies
undigested food for elimination from
body
Main location where nutrients are
absorbed from food
What does the large intestine
do?
1.
2.
3.
4.
Muscular tube that connects mouth and
stomach - mucus lined
Stores bile, releases into small intestine
Absorbs fluids back into body and readies
undigested food for elimination from
body
Main location where nutrients are
absorbed from food
What is number 2?
1.
2.
3.
4.
Liver
Stomach
Small intestine
Esophagus
What is number 3?
1.
2.
3.
4.
Liver
Stomach
Small intestine
Esophagus
What is number 7?
1.
2.
3.
4.
Liver
Stomach
Small intestine
Esophagus
Excretory (Urinary) System
Function of Excretory System
removal of ______
waste
 Collection and ______
in body
Organs of Excretory System
 _____
Kidney - filters blood, removes
wastes produced by body,
H2O amount in body
regulate ____
Ureters - tubes connecting kidney
 ______
to bladder
urine
 Urinary ______
Bladder - storage of ____
Read pages 127 - 131
Interactive
Excretory
System Model
What organ filters the blood?
1.
2.
3.
4.
liver
pancreas
lungs
kidney
On the diagram identify
structure C and its function.
A.
B.
C.
D.
the urethra and it
carries urine out of the
body
the urinary bladder and
it holds urine
the kidney and it filters
the blood
the ureter and it is the
tube that carries urine
What connects the kidneys to
the bladder?
1.
2.
3.
4.
esophagus
trachea
pancreas
ureters