digestive system
Internal nutrient extractor
The digestive system is the group of organs that break down food into nutrients the body can absorb.
It includes the mouth, esophagus, stomach, intestines, liver, pancreas, and gallbladder.
Food enters, gets processed mechanically and chemically, and waste exits: The medication can upset your digestive system.
Food tube to stomach
- stomachDigestive organ below chest
- intestinesCoiled digestive organs
- colonLarge intestine section
- rectumTerminal intestinal chamber
duodenum · jejunum · ileum · anus · liver · gallbladder · pancreas · salivary glands
Reaction-speeding proteins
- amylaseStarch-digesting enzyme
- lipaseFat-dissolving enzyme
- proteaseProtein-cleaving enzyme
- pepsinGastric protein-cleaving enzyme
trypsin · bile · hydrochloric acid · gastric acid · bicarbonate · mucus · saliva · lactase
Crushing food orally
- swallowingIngesting via throat muscles
- peristalsisInvoluntary digestive muscle waves
- absorptionProcess of taking in
- chymePartially digested stomach contents
bolus · mastication · segmentation · defecation · fermentation · emulsification · hydrolysis · motility
Study of digestive organs
- probioticsLive microorganisms aiding digestion
- prebioticsFood for gut flora
- gut floraIntestinal microbial community
- microbiomeBody's microbial community
stomach ulcers · heartburn · irritable bowel syndrome · colitis · Crohn's disease · celiac disease · lactose intolerance · GERD
Vital dietary substances
- proteinsAmino acid polymers
- carbohydratesSugar-based energy compounds
- fatsOily organic nutrients
- vitaminsEssential organic nutrients
minerals · fiber · macronutrients · micronutrients · absorption · glucose · amino acids · fatty acids
esophagus
Food tube to stomach
- stomachDigestive organ below chest
- intestinesCoiled digestive organs
- colonLarge intestine section
rectum · duodenum · jejunum · ileum · anus · liver · gallbladder · pancreas · salivary glands · appendix
enzymes
Reaction-speeding proteins
pepsin · trypsin · bile · hydrochloric acid · gastric acid · bicarbonate · mucus · saliva · lactase · maltase
chewing
Crushing food orally
- swallowingIngesting via throat muscles
- peristalsisInvoluntary digestive muscle waves
- absorptionProcess of taking in
chyme · bolus · mastication · segmentation · defecation · fermentation · emulsification · hydrolysis · motility · churning
gastroenterology
Study of digestive organs
- probioticsLive microorganisms aiding digestion
- prebioticsFood for gut flora
- gut floraIntestinal microbial community
microbiome · stomach ulcers · heartburn · irritable bowel syndrome · colitis · Crohn's disease · celiac disease · lactose intolerance · GERD · constipation
nutrients
Vital dietary substances
- proteinsAmino acid polymers
- carbohydratesSugar-based energy compounds
- fatsOily organic nutrients
vitamins · minerals · fiber · macronutrients · micronutrients · absorption · glucose · amino acids · fatty acids · monosaccharides
- body systems
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- science educationscience fair, science class, science teachers, science lab, science projects
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digestive systemexcretory system
Waste-removing organ network
circulatory system · respiratory system · nervous system · cardiovascular system · immune system
digestive systemexcretory system
Waste-removing organ network
urinary system · egestion · defecation · renal system · catabolism
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