Take a deep breath, swallow hard, and follow the food you eat on its day-long journey through the digestive system.
Showing posts with label Digestion. Show all posts
Showing posts with label Digestion. Show all posts
Sunday, November 25, 2007
Chew on This
Take a deep breath, swallow hard, and follow the food you eat on its day-long journey through the digestive system.
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