THE DIGESTIVE SYSTEM MAP — CLICK ANY NODE TO EXPLORE
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Select a Node
Click any organ or structure on the map to learn about its role — plus a fun fact you won't forget!
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The Digestive System
🔬 Role in the Digestive System
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Connected System
Circulatory System
After the small intestine breaks down food, blood vessels absorb glucose, amino acids, and fatty acids directly into the bloodstream. The liver processes these before they reach general circulation.
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Connected System
Nervous System
The enteric nervous system — 500 million neurons in your gut — controls digestion independently. It coordinates peristalsis and communicates with the brain via the vagus nerve, earning the nickname 'second brain.'
30 ftLength of digestive tract
~4 hrsTime to digest a meal
95%Nutrients absorbed in small intestine
1.7 LSaliva produced daily
3Systems it connects to
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Connection Quiz
Toggle each system pill above — all 5 questions come from the connected system cards and node information.
Progress0 of 5 answered
Circulatory Connection
The Circulatory connection says the liver processes nutrients before they reach general circulation. Which three nutrients are absorbed from the small intestine directly into the bloodstream?
Nervous Connection
The Nervous connection says the enteric nervous system earns a striking nickname. What is it, and why?
Nervous Connection
According to the Nervous connection, which specific nerve links the enteric nervous system to the brain?
Pancreas Node
The Pancreas node explains it produces two different categories of substances. What are they?
Stomach Node
The Stomach node describes what food is turned into after churning with acid and enzymes. What is this liquid called?
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Report Card
Answer all 5 questions to unlock your report card.