|
Activities of the
Digestive System and their Locations
Fill in whether the activity is performed in the
organ and the name of the action, e.g., mastication,
or what compounds are
being digested or absorbed, e.g., glucose.
|
Activity/
organ |
Ingestion |
Propulsion |
Mechanical
Digestion |
Chemical
Digestion |
Absorption |
Defecation |
|
Oral Cavity |
Yes |
Deglutition |
Mastication |
Starch |
Some
drugs, nitro-glycerine |
No |
|
Pharynx |
No |
Deglutition |
No |
No |
No |
No |
|
Esophagus |
No |
Peristalsis |
No |
No |
No |
No |
|
Stomach |
No |
Yes |
Churning |
Protein,
some lipase |
some,
e.g., aspirin & alcohol |
No |
|
Small
Intestine |
No |
Persistalsis |
Segmentation |
Protein, lipids, carbs, nucleic acids |
Oranic macronutrients, most
vitamins & minerals |
No |
|
Colon |
No |
Haustral contractions, Mass movements |
No |
No |
Water, some vitamins |
No |
|
Rectum & Anus |
No |
Yes |
No |
No |
No |
Yes |
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