Online Science Curriculum & Lab Kits | Hands-On Labs
Exercise 1: Microscopic Observation of Digestive Structures
Data Table 1: Photos for Digestive System Microscopy Exercise
|Structure |Photo |Magnification |Characteristics |
|Duodenum, all four layers | | | |
|Duodenum, mucosa | | | |
|Duodenum, submucosa | | | |
|Duodenum, muscularis externa | | | |
|Duodenum, serosa | | | |
|Stomach, all four layers | | | |
|Stomach, mucosa | | | |
|Stomach, submucosa | | | |
|Stomach, muscularis externa | | | |
|Stomach, serosa | | | |
|Pancreas | | | |
Exercise 2: Digestive Enzymes and Physiology
Data Table 2: Carbohydrate Digestion
|Test Tube |Treatment |Observations |Conclusions |
|A37 |Amylase solution at 37oC | | |
|A |Amylase solution at room temperature| | |
|DW |Distilled Water at 37oC | | |
|DW37 |Distilled Water at room temperature | | |
Data Table 3: Protein Digestion
|Test Tube |Treatment |Observations |Conclusions |
|TDW |Trypsin, BAPNA, 37oC | | |
|TDW37 |Trypsin, BAPNA, room temperature | | |
|BDW |Trypsin, Distilled Water, 37oC | | |
|BDW37 |Trypsin, Distilled Water, room | | |
| |temperature | | |
|BT |BAPNA, Distilled Water, 37oC | | |
|BT37 |BAPNA, Distilled Water, room temperature | | |
Data Table 4: Relative Color of the Test Tubes as Compared to the Control Test Tubes
|Minutes |Test Tube 1 |Test Tube 2 |Test Tube 3 |Test Tube 4 |
|4 | | | | |
|6 | | | | |
|8 | | | | |
|10 | | | | |
|12 | | | | |
|14 | | | | |
|16 | | | | |
Exercise 3: Digestive System of the Pig
Data Table 5: Photos of the Abdominal Cavity, Showing Digestive System Organs
|Description |Photo(s) |
|Digestive system organs in the abdominal | |
|cavity | |
|Inside of stomach | |
|Salivary glands | |
|Mouth anatomy | |
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