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Final Jeopardy
Mech Dig
Chemical
Digestion
Digestive
Tract
Nutrients
Fun
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What is Mechanical
Digestion?
The physical breakdown
of food
What are the 3 structures within
the mouth that perform chemical
digestion?
Tongue, Teeth, Hard Palate
What form does food travel down
the esophagus as?
A Bolus.
What are the two ways that food
is mechanically digested in the
stomach?
Rugae- the folds of the
stomach wall.
Churning- muscle
contractions in the stomach
that break food down
What is the process of mechanical
digestion within the small
intestine called. What performs
this.
Emulsification.
The breakdown of lipids
through bile.
What is the secretion within the
mouth that performs chemical
digestion?
Saliva is the secretion
And amylase is the enzyme.
What is an enzyme?
An enzyme is a substance that
performs (speeds up) a specific
biochemical process.
What is the relationship
between pepsin and pepsinogen.
What does it digest?
Pepsinogen is secreted into the
stomach and turned into the
enzyme Pepsin through a
reaction initiated by HCl.
Pepsin is the enzyme that
breaks down proteins in the
stomach.
What are the secretions that
make up the Gastric juices?
Where are they secreted?
Gastric secretions are in the
stomach.
Mucous- protects stomach wall
from acid
HCL- helps to digest proteins
Pepsinogen (pepsin)- digests
proteins
What are the enzymes that make
up the pancreatic secretions?
Where are they secreted?
Pancreatic secretions are
secreted into the small intestine.
Trypsin- digests proteins
Lipase- digests lipids
Amylase- digests starches
How does food travel down the
esophagus?
Peristalsis- the contraction of
muscles down the esophagus.
What are the functions of the
uvula and epiglottis?
Uvula- closes nares during
swallowing
Epiglottis- closes trachea
during swallowing
What are the 3 accessory
organs?
Liver, Pancreas, and Gall Bladder.
Where does absorption of nutrients
occur?
What are the structures that absorb
these?
Nutrients are absorbed from the the
small intestine through microvilli
(small fingerlike extensions).
What is the function of the large intestine?
What are two effects that could occur if it
does not perform its main function?
Absorbs water and salts.
Diarrhea & Dehydration.
What are the 5 main nutrients?
Carbohydrates, Lipids,
Vitamins, Minerals, Proteins
What are the building blocks of
proteins?
Amino Acids.
What is an antioxidant?
It is a type of vitamin which helps
remove free radicals (cancer
causing materials)
What are the 3 types of lipids?
Which is the least healthy for
you?
Trans fats, Saturated,
Unsaturated.
What helps to fight heart disease?
Omega 3’s
Where did Mr. G go to
highschool?
W.C. Miller Collegiate
Who plays in the Grey Cup this
weekend?
Ottawa and Edmonton
What is the name of the actor who
portrays Kevin McCallister in the
Home Alone movies?
Macaulay Culkin
How many school days till
Christmas Break?
17
Which bone did Mr. G break?
Elbow