Digestive System, part 3: Crash Course A&P #35
Nachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum,...
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You know, we’ve been talking about a lot of serious stuff here lately. Heart failure. Respiratory gas exchange. People with holes in their stomachs. Nachos. Some might say I’ve even been flaunting my ability to eat, digest, and enjoy a plate of chips and melted cheese. And I wouldn't blame them if they did, because sadly, nachos aren’t for everyone. In fact, I can safely say nachos are really only a good idea for about a third of humans. For the rest, what may start as a party in your mouth will surely end in gastric distress. Such is the fate of the lactose intolerant. Lactose is basically milk-sugar that can only be digested with the help of a special intestinal enzyme -- lactase -- which many adults do not produce enough of. In fact, way...
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You know, we’ve been talking about a lot of serious stuff here lately. Heart failure. Respiratory gas exchange. People with holes in their stomachs. Nachos. Some might say I’ve even been flaunting my ability to eat, digest, and enjoy a plate of chips and melted cheese. And I wouldn't blame them if they did, because sadly, nachos aren’t for everyone. In fact, I can safely say nachos are really only a good idea for about a third of humans. For the rest, what may start as a party in your mouth will surely end in gastric distress. Such is the fate of the lactose intolerant. Lactose is basically milk-sugar that can only be digested with the help of a special intestinal enzyme -- lactase -- which many adults do not produce enough of. In fact, way...
