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๐ซ Human Body
The Digestive System
Breaks food into nutrients over 24โ72 hours; the gut contains 70% of the immune system
USA ๐ 1833 Human Body
Key Facts
- 1
Digestion: mouth โ oesophagus โ stomach โ small intestine โ large intestine โ rectum
- 2
Gut microbiome: 100 trillion bacteria โ vital for immunity, mood, metabolism and disease prevention
- 3
Gut-brain axis: 95% of serotonin (mood hormone) produced in gut; gut health directly affects mental health
๐ Did you know? The small intestine is 6โ7 metres long โ 4 times your height; if its surface area were flattened it would cover a tennis court
Quick Reference
Category
Human Body
Country
๐ USA
Year / Era
1833
About
Breaks food into nutrients over 24โ72 hours