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Digestion Review
•The pathway of food
through the digestive
system begins with
the mouth and goes
through the
esophagus, stomach,
small intestine, large
intestine, and rectum
respectively.
•The wave-like motion that keeps food
traveling in the right direction is called
___________.
•Carbohydrates are comprised of
__________ and __________.
•Examples of sugars are:
•Examples of starches are:
•__________ is the enzyme in saliva that
begins breaking down starches while in the
mouth.
• Nutrition Fact
Labels give
information that
helps the
consumer know
how much
nutrition, fat,
calories, etc. are
in each serving
of food. Why is
this important?
• The tongue, teeth, and stomach cut, tear,
mash, and break down food into smaller
pieces as part of __________ digestion.
•The stomach, liver, and pancreas aid with
_________ digestion by using enzymes to
break down food in the digestive system.
•The stomach enzyme that is catalyzed by
HCI and known for chemical digestion in
the stomach is ___________.
•The 3 major types of food are _______,
_________, and ________.
• Starches are bands of sugars that need
to be broken down in order to be absorbed
into the body.
•The organ in which protein digestion
begins is the _________.
•In which part of the digestive system does
most digestion occur?
•The ________ makes bile that is stored in
the gall bladder and used to help break
down fats.
•What is an ulcer in the stomach?
•What is a sphincter?
•Approximately how long is the adult human
digestive system?
•What is the purpose of mucus?
•What does the epiglottis do?
•How much saliva does the human body
make each day?
•________ is the enzyme that digests
protein in the stomach.
•The small intestine is lined with folds
covered in villi and microvilli. These three
increase the internal surface area of the
small intestine 600 times.
•Nutrients are passed
through the cells lining
the digestive tract in a
process called
absorption.
•What control did
we use to
compare results?
•What solution did
we use to perform
a sugar test?
Starch test?
•What is an indicator?
•When you performed a sugar test on
amylase and starch solution, what happened?
What color? What did this indicate?
•The pancreas creates pancreatic juice that
is packed with enzymes that help digest
carbs, proteins, and fats.
•By the time food particles make it to the
colon (large intestine), the food has already
been digested, and all that is left is
undigested waste that needs to be
eliminated.
•Water and minerals pass through the walls
of the colon back into the bloodstream.