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8/14/2019 Digestive System Power Point Review 11-16-09
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Digestive
Organs
Experiments
from ClassWild Card BONUS!
Chemical/
Mechanical
Digestion
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F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
What is the name of part A?What kind of mechanical digestion takes
place in A?
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F:__________________
B:______________
E: ______________
A: STOMACH
D: ______________C: ____________
G: ____________
Muscles in your stomach
mechanically digest food
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F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
What is the name of part F?
What kind of mechanical digestion happens in
part F? What kind of chemical digestion?
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F: MOUTH
B:______________
E: ______________
A: _________________
D: ______________C: ____________
G: ____________
Mechanical: Teeth grind up foodChemical:Amylase breaks down starch
into sugar
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F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
What is the name of part C?
What is one thing that happens to
food inside of part C?
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F:__________________
B:______________
E: ______________
A:_________________
D: _______________C: large intestine
G: ____________
Water gets absorbed from waste
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F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
What is the name of part D?
What are two things that happens to
food inside of part D?
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F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
What is the name of part G?
What is one thing that happens
inside of part G?
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F:__________________
B:______________
E: ______________
A:_________________
D: _______________C: _________________
G: liver
It makes bile
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What kind ofmechanicaldigestion takes place in your
mouth?
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Your teeth crunching and
munching food.
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Where does chemicaldigestion of
bread begin?
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In the mouth, where amylase
breaks it into sugar!
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Where does chemical digestion of
proteins begin?
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In the stomach, where gastric
juice breaks it down.
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Where does chemical digestion of
starches END?
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In the small intestine, with
pancreatic juice.
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What liquid that we have studieddo you think will break down
steak the most?
Where in your body can you find
that liquid?
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Gastric juice will break down
steak the most because it is
protein!
In your stomach.
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Which solution was able to diffuse
through the membrane?
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Sugar solution because it is small
enough for diffusion.
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What was the most
important thing youlearned from the
experiment with the eggwhites?
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Gastric juice does the bestjob of breaking down
proteins.
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1) What did the oil represent
when we were squeezing thetennis ball?
2) What did your hands
represent?
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1) Mucus
2) Peristalsis (or muscle
contractions)
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Copy and complete the following table:
StarchSolution
Amylase+ DW
StarchSol. +Amylase
StarchTest
SugarTest
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Copy and complete the following table:
StarchSolution
Amylase+ DW
StarchSol. +Amylase
StarchTest
+ - +
SugarTest - - +
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When we did the egg white
experiment, we had to let the egg
white sit in the liquids overnight.
When we did the amylase
experiment, we tested for starch andsugar after only 5 minutes.
Why did we have to wait such a longtime for the egg white, but not for
the amylase?
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Because the amylase
experiment was about yourmouth. Food stays in your
mouth for a short amount of
time. But the egg white
experiment was about your
stomach. Food stays in yourstomach for several hours!
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What nutrient do all of these have
in common?
candy
soda
fruit
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They all have SUGAR!
candy
soda
fruit
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Where nutrient do all of these
have in common?
Potatoes
BreadRice
Pasta
Cereal
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They all have STARCH!
Potatoes
BreadRice
Pasta
Cereal
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Complete the following table:
Color of
Sugar
Test
+ or
for
sugar
Color of
Starch
Test
+ or
for
starch
Solution Z Blue
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Color of
Sugar
Test
+ or
for
sugar
Color of
Starch
Test
+ or
for
starch
Solution Z Blue +Brown/
yellow
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What nutrient do 4 of these 5 foods have?
Which food has a different nutrient?
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These four have PROTEIN!
The potatoes have starch
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We all know that the
large intestine absorbs
water. What happens if
food moves too slowly
through the large
intestine?
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CONSTIPATION!!
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Put the organs of the digestive
tract in order from start to finish.
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Mouth,
F:__________________
B:______________
E: ______________
A: _____________
D: ______________C: ____________
G: ____________
small intestine large intestine
mouth
esophagus
stomach
esophagus, stomach,
small intestine, large intestine.
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A man named Stuart got into a
serious accident. He lost half of
his large intestine. His waste
could still leave through the
rectum, but half of the large
intestine was missing. What
problem do you think he was
likely to have?
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Your large intestine absorbs
water. So if you lose some of your
large intestine, less water will beabsorbed, making your waste
more watery and giving you
Diarrhea!
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Your large intestine absorbs
water. So if you lose some of your
large intestine, less water will beabsorbed, making you waste more
watery and giving you
Diarrhea!
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