Human Physiology : How Does Food Get Broken Down in the Stomach?

Human Physiology : How Does Food Get Broken Down in the Stomach?

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Did you know the stomach is only one of the
organs that helps the body break down food? Hi, I’m Janice Creneti and I’m here to talk
to you today about how food gets broken down in the stomach. Food actually gets broken
down through a series of steps and the stomach is down the list. Let me show you the process
on the body. It actually starts when you ingest food. And even in the mouth, enzymes begin
to be secreted in your saliva. It’s called amilates. It helps to digest the starch. Once
the food’s been partially broken down it makes this long trip down the esophagus or it actually
comes down in to the stomach that’s hidden here behind the liver. The stomach is actually
only responsible for breaking down proteins in something called pepsin. After that happens
the food, now turned in to something called chyme makes its way in to the small intestines.
This is where most of the work really gets done. More enzymes are produced which finishes
the protein breakdown, the starch breakdown and all the breakdown of fat. Once that’s
done the small intestine actually has the job of moving the food in to the body so that
it can be used as nutrition. Each of those individual molecules now broken down will
get absorbed in to the blood stream where it’ll travel to your muscles, to your bones,
to your eyes; all the different places that your body needs to have nutrition. So that’s
the story of how the food goes from your mouth in to your body cells. I’m Janice Creneti
and this is how food gets broken down in the stomach.

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