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Mouth
The tongue is
a slide down
into the
esophagus
where it is
slowly moved
down into the
small
intestine
Mechanical: Chewing and mixing of food with
the tongue and saliva
Chemical: Saliva contains an enzyme that
chemically digests food.
That is
so cool.
Did you know?
The tongue moves food
around in the mouth and
from there it is crushed and
slowly moves the
esophagus. Amylase is the enzyme found
in saliva that chemically
digests
carbohydrates (starches into
sugars). Saliva glands
produce that saliva
Esophagus
Did you know
Food is squeezed down the
esophagus by smooth
muscle contractions called
peristalsis.
Here is the 2nd
part of the slide.
It is a long tube
that connects
the mouth and
the stomach.
That’s weird,
but very
cool.
wow
Stomach
The stomach
is the
swimming
pool filled with
hydrochloric
acid.
The stomach is a
wrinkled bag of
smooth muscle that
expands and
stretches as food
enters.
Mechanical Digestion- Food is mixed and churned by peristalsis
Chemical Digestion- Hydrochloric acid and the enzyme pepsin
begin to digest proteins into amino acids
Did you know that the
stomach is lined with
mucus to protect the
stomach lining from
digesting itself.
Mechanical Digestion: Fat
particles are mechanically
broken down by bile which is
produced in the liver.
Chemical Digestion:
Carbohydrates and proteins
continue to be
digested. Fats are chemically
broken down into lipids by an
enzyme called lipase which is
produced in the pancreas (also
produces insulin which regulates
the amount of glucose in blood/
cells)
Small Intestine
Did you know
The small intestine is longer in
distance than the large intestine.
The large intestine is bigger in
diameter. Also peristalsis
advances food through the small
intestine.
Structure
The narrow, longer part of the
intestines, comprising the
duodenum, jejunum, and ileum,
that serves to digest and absorb
nutrients.
This is the roller
coaster. Then slowly
is pushes it down into
the large intestine.
When food is digested it is
absorbed in the blood stream
through the villi. Then the nutrients
are delivered to all cells.
Large Intestine
Did you know?
NO digestion takes place in the large intestine.
After food passes through the large intestine, it is
compacted and goes out the anus.
Access water is absorbed back into the blood.
This is the rock
climbing wall.