Transcript Digestive System Jeopardy - OG

Digestive System Jeopardy
10 pts: Where does digestion start?
Mouth
BONUS 10 pts: Name 2 things in the
mouth that help break down food
Teeth, tongue, saliva
10 pts: What organ takes food from the
mouth to the stomach?
esophagus
•Esophagus made of
smooth muscle
•Contractions called
peristalsis move food
down throat
Bonus 10 pts: What is the flap called that covers
the glottis?
Epiglottis
10 pts: What organ comes after the
esophagus in digestion?
Stomach
• Ring of muscle between
esophagus and stomach allows
food to pass through, called the
esophageal sphincter
Bonus 10 pts: Sometimes acid can go back
up the esophagus, which causes this
condition…
Heart burn, or acid reflux
20 pts: What in the stomach helps digest
food?
Stomach acid
Bonus 20 pts: What is the pH
of stomach acid?
About pH 1 (Battery acid is
pH 0, and Cola is 2.5)
20 pts: Why doesn’t stomach acid eat
through the lining of the stomach?
Stomach secretes mucus to protect the
lining of the stomach
Bonus 20 pts: What occurs if the mucus of
the stomach lining wears away?
Stomach ulcer
20 pts: Besides stomach acid, how else is
food digested in the stomach?
Stomach also churns food using muscle
contractions
Bonus 20 pts: About how many hours does
food spend in the stomach?
About 2 – 4 hours
30 pts: What is the next digestive organ
after the stomach?
Small intestine
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Pyloric sphincter lets food from stomach
to the small intestine
Made of thick ring of muscle
30 pts: What is the main role of the small
intestine?
Absorbing nutrients
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Villi are small finger-like projections in the
small intestine that absorb nutrients
Food spends about 3-5 hrs in the small
intestine
30 pts: Bile is the enzyme that is made by
this organ, which aids in digestion.
Liver
40 pts: In which organ is bile stored?
Gallbladder
40 pts: Where is the gallbladder located?
Underneath the liver – connects the liver to
the small intestine
40 pts: What other organ, which is found
near the stomach, secretes enzymes for
digestion?
Pancreas
50 pts: What is the main job of the large intestine?
Absorbs water
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Between the small and large intestine is a small
pouch
In humans – the appendix (function unknown)
In other mammals – the cecum (function to break
down cellulose
50 pts: Where does undigested food go
after leaving the large intestine?
Rectum
 Undigested food can stay in the large
intestine for 10 hours to several days
50 pts: Where does food go after leaving
the rectum?
Through the anus into the toilet
Next 3 questions are open to
all teams – each worth 20 pts
1. This condition occurs when the large
intestine doesn’t absorb enough water
Diarrhea
2. This condition occurs when too much water
is absorbed
Constipation
3. Approximately how long in meters is the
digestive tract from beginning to end, for the
average adult human? (Closest team wins)
9 meters
Final Jeopardy – make your wager!
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Food is processed in 4 phases: ingestion,
digestion, absorption, and elimination.
Name one organ that is involved in EACH of
these phases