Inside the human intestines
Chapter 1
The small intestine and its microscopic forests
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Chapter 2
The chemistry of nutrient capture
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Chapter 3
The large intestine as the recycling plant
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Chapter 4
The bustling world of the microbiome
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YOUR GOAL
Master of Inside the human intestines
Ch 3 · The large intestine as the recycling plant
Fun Fact
Appendix reboot: Your appendix acts as a safehouse, storing a backup supply of good gut bacteria to repopulate your digestive tract after a severe stomach bug.
Glossary
colon (noun)
The part of the large intestine that extends from the cecum to the rectum. Trillions of resident bacteria in this organ synthesize essential vitamins like B and K.
The part of the large intestine that extends from the cecum to the rectum. Trillions of resident bacteria in this organ synthesize essential vitamins like B and K.
Quiz
Which process describes the slow, wave-like muscular contractions that push waste through the colon?
Quiz
What is the primary substance reclaimed by the large intestine from indigestible food?
Quiz
According to modern research, what is the beneficial function of the human appendix?
Quiz
Which essential electrolytes are actively pumped back into the blood by the large intestine?
Quiz
What triggers the strong muscular waves, or mass movements, in the large intestine?