Remember on Friday you ran an experiment with yourself, thinking about your digestive system. You drew what you think was the "map" of your digestive system when you ate the cracker. Then, you watched Molly Marshmallow, and finally went back to your drawing and updated it.
In case you want to watch the video again, and again, and again, and again... here it is:
Molly Marshmallow
Also, remember that you made a guess as to when the cracker would be released from your body? Well, a team of scientists tried to find this out. It is different for men, women, and children, and is different for everyone. What makes it more difficult to say "when" it will come out, is that certain foods move faster than others. Plus, some systems are faster than others. That means your sister or brother's system might be faster than yours!
Here is what they found:
Average digestion for kids: 33 hours
Average digestion for women: 33 hours
Average digestion for men: 47 hours
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