Basic info on the digestive system for students

1. Dt. Jenifer Antony M.Sc., PGDFN
The digestive system
consists of the parts of
the body that work
together to turn food and
liquids into the building
blocks and fuel that the
body needs.
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2. Mouth
The mouth is where the
digestive tract begins.
Enzymes released into
the mouth start the
process of digestion.
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3. Epiglottis
The epiglottis is a small piece
of tissue that covers the
opening of the larynx.
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4. Gallbladder
The gallbladder is a
small pouch that stores
bile. The gallbladder
release bile into the
duodenum to help
digest fats in the food
you eat.
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5. Small Intestine
The small intestine is
called small because
of its width, not its
length. It's actually
much longer than the
large intestine. The
small and large
intestines form one
continuous tube.
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6. Duodenum
The word duodeni is Latin
and means "12 each." The
duodenum, the first part of
the small intestine, was
thought to be as long as
the width of 12 fingers.
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7. Jejunum
The jejunum, the
middle section of the
small intestine, is
about 5 to 8 feet (1.5
to 2.5 meters) long.
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8. Ileum
The ileum is the third and
final section of the small
intestine. It's also the
longest, measuring 16 to
20 feet (5 to 6 meters)
long.
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9. Appendix
The appendix is
attached to the cecum.
If it becomes inflamed,
this is called
appendicitis.
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10. Pharynx
Because both food and air
move through it, the
pharynx is part of both the
respiratory and digestive
systems.
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11. Esophagus
The esophagus is a soft,
muscular tube that
moves food from the
pharynx to the stomach.
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12. Liver
The liver is the body's
largest internal organ. The
liver performs many tasks,
including storing energy and
helping the body get rid of
toxins.
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13. Stomach
The stomach has a tough
lining ─ it's able to hold up
in the highly acidic
environment needed to
break down food.
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14. Pancreas
The pancreas makes
hormones (including
insulin) to regulate
the blood glucose
level. It also makes
enzymes that break
down food in the
intestines.
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15. Large Intestine
The large intestine
consists of three parts
– the cecum, the colon,
and the rectum.
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16. Cecum
The cecum is the
pouch-like beginning of the
large intestine.
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17. Colon
The colon is the largest
part of the large intestine
and has three parts – the
ascending colon, the
transverse colon, and the
descending colon.
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18. Rectum
The rectum is the final 6
to 8 inches (15 to 20
centimeters) of the large
intestine. It stores stool
(poop) until it leaves the
body.
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19. Anus
The anus marks the exit
point of the digestive
tract; it's where poop
leaves the body.
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20. 1. Mouth
2. Esophagus
3. Liver
4. Gall bladder
5. Small intestine
6. Stomach
7. Pancreas
8. Large intestine
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