Page 49 - Miracles in Our Bodies

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I I I I N N N N E E R R S S T T R R U U C C T T U U R R E E
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O O O O F F T T H H E E S S T T O O M M A A C C H H
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F
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stomach
mucous sur-
mucous surface face cell
cells (secretes
mucus)
gastric mucous
neck cell
pit
(secretes
mucus)
parietal cell
(secretes hy-
drochloric acid
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D Different types of f and intrinsic fac-
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chief cell
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d different secretions to
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(secretes
d digest the foodstuffs pepsinogen)
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w we eat.
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hormone-produc-
ing G cell
(secretes gastrin)
A special mucous layer covers the inner lining of the stomach
and protects the stomach from damage by this powerful acid.
So the stomach does not digest itself.
The next place on the digestive route is the intestines.
Nutriments are broken down into even smaller particles and
are made usable by the body as they pass through the two in-
testines, the large and the small. What is useful in these nu-
triments is introduced into the bloodstream and the
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