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The Amazing
Digestive System
By Alejandra
Crdenas
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Table of Contents
Chapter 1: Introduction To The Digestive
SystemChapter 2: Parts And Organs Of The
Digestive SystemChapter 3: What Process Does Food Have
When It Passes Through The Digestive
System?Chapter 4: Diseases That Can Affect Our
Digestive SystemChapter 5: Keeping Our Digestive System
HealthyChapter 6: Interesting Facts About The
Digestive SystemChapter 7: Glossary/VocabularyChapter 8: Bibliography.
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Introduction To The
Digestive SystemHave you ever
wondered how our
digestive system
works? Well, everydaywe get hungry and we
have to eat. We eat
something and it takes
some hours for the
food to go through all
our body, then weeliminate waste.Later,
we get hungry again
and the process starts
all over again.
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Parts And Organs Of
The Digestive SystemOur digestive systemorgans are a very
important part of our body.The process of digestion
starts in our mouth.
According to
Enchantedlearning.com,
our mouth breaks food intosmaller pieces and mixes it
with saliva to start the
process of breaking it
down. Our esophagus
takes food to the stomach.
In our stomach *acids and
*enzymes break down thefood. Our small intestine
breaks down food into
nutrients that cells can use.
The large intestine removes
water from food that we
dont need and keeps it
until elimination.
Acids: Any of a class of
substances that release
hydrogen ions when
disolved in water and
can react with a baseto form salts.
Enzymes:A substance
produced by a livingorganism.
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What Process Does Our Food Have
When It Passes Through The
Digestive System?
First it starts in the mouth.
Chewing breaks food down and
mixes it with saliva that turns
food into smaller *molecules.Then we swallow the food that
goes down the esophagus into
the stomach. In the stomach
strong acids and juices break
down the food and pass it to the
small intestine. In the small
intestine food breaks down intonutrients. Then the nutrients pass
through the small intestine to the
blood to the cells. In the large
intestine unused parts of the food
go to the large intestine where
water is removed and waste gets
ready for elimination.
Molecules: A group of
atoms bonded together,
representing the smallestfundamental unit of a
chemical compound.
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Diseases That Can AffectOur Digestive System
According to YOUR BODY
BATTLES A STOMACH ACHE by
Vicky Cobb, something that can
affect our normal digestion is a
stomach ache. For example a
harmful *bacteria called *E.Coli
can cause a stomach ache. Also in
rare cases parasites can cause a
stomach ache. But most stomach
aches are caused by a *virus. A disorder of our digestive system
is *cancer because we can
develop stomach,colon or intestine
cancer. And it can be really bad
for our digestive system.Also harmful bacteria can affect
our digestive system.
E.Coli: A bacteriumcommonly found inthe intestines ofhumans and otheranimals.
Virus: An infectionor disease
Cancer: The diseasecalled by anuncontrolled divisionof abnormal cells in apart of the body.
Bacterias: Any of alarge group or verysmall one celledorganisms thatreproduce fission or byforming spores.
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Keeping Our Digestive
System Healthy
According to FOOD AND
DIGESTION by Steve Parker
*proteins are very important for our
digestive system. We need proteins for
growth, repair and replacement.
Proteins are found in food like meat,
fish, eggs etc.
We also need to eat
*carbohydrates to have energy and to
be active. Foods that have
carbohydrates are: potatoes, bread,
pasta etc. Carbohydrates are very
important for our body.*Fats are better to be
consumed in small amounts.
We also have to eat fruits
and vegetables because they give us
vitamins and minerals.
Proteins: Any of a classof nitrogenous organiccompounds that consistas large molecules.
Carbohydrates: Any of alarge group of organiccompounds occuring onfoods and living tissuesand includingsugar,starch,cellulose.
Fats: A natural oily orgreasy substanceoccuring on animalbodies.
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Interesting Facts About TheDigestive System
-Did you know that taste buds are things
in our tongue which help us know what
food tastes like? Taste buds send
messages to our brain to help us know.
-Did you know that your stomach can
stretch to hold the food you eat?-Did you know that food takes 20-45
hours to travel from one end of the
digestive system to the other?-We make 1-3 pints of saliva a day.-Food stays in your stomach from 2 to 3
hours.-An adults stomach can hold
approximatley 1.5 liters of material.
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Conclusion
Finally, I hope that you have
learned a lot about the
digestive system and its
process. Personally I learned
a lot of new things and
discovered how well the
digestive system works. I
had a lot of fun working on
this project and hopefullyyou have found it as
interesting as I have.
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Glossary/Vocabulary
Acids: Any of a class of substances that
release hidrogen ions when disolved in
water and can react with a base to form
salts.Bacterias: Any of a large group or very
small one celled organisms that reproduce
fission or by forming spores.Cancer: The disease called by an
uncontrolled division of abnormal cells in a
part of the body.
Carbohydrates: Any of a large group of
organic compounds occuring on foods and
living tissues and including
sugar,starch,cellulose.E.Coli: A bacterium commonly found in the
intestines of humans and other animals.
Enzymes:A substance produced by a living
organism.Fats: A natural oily or greasy substance
occuring on animal bodies.Molecules: A group of atoms bonded
together, representing the smallest
fundamental unit of a chemical compound.Parasites: An organism that lives in
another organism.Proteins: Any of a class of nitrogenousorganic compounds that consist as large
molecules.Rectum: The final section of the small
intestine ending at the anus.Virus: An infection or disease.
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Bibliography
- My Body Battles A Stomach Ache By Vicky Cobb.- The Digestive System By Anita Ganeri.-Food And Digestion By Steve Parker.-Kidshealth.org-Enchantedlearning.com
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Copy and paste the link below to review my book.https://docs.google.com/forms/d/10CtQlpQlIdicSo2-ohHpT3IsqMvsoAXaJgy5bU7lOHQ/viewform
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