Bio 12
Prescribed Learning Outcomes
Name:
Human Biology (Digestive System)
1. Label and Identify function: (pg. 214)
Mouth, tongue, teeth, three salivary glands, pharynx, epiglottis, esophagus, cardiac
sphincter, stomach, pyloric sphincter, duodenum, liver, gallbladder, pancreas, small
intestine, appendix, large intestine, rectum, anus.
2. What are the two
forms of digestion?
Explain. (pg. 214)
3. List the Four functions of the Digestive system and where
each occur (could be more than one organ) (pg. 214)
4. Where is alcohol absorbed? (pg.218) _____________________________
5. Label:
Uvula (both pictures), oral cavity, nasal cavity, epiglottis, bolus,
Grasping (biting) teeth, tearing teeth, grinding teeth, crushing teeth (pg.215)
6. Swallowing and Peristalsis –
i. Explain the process of swallowing? (pg.216)
ii. Peristalisis
Describe the
action of the
two muscles
used in the
esophagus.
Pg.216
7. Wall of digestive tract
Compare & Describe how the structure is related to the function of
each organ lining. (pg. 216-221)
Structure
Function
8. STOMACH:
Label: Esophagus, cardiac sphincter, stomach, pyloric sphincter, duodenum (pg. 218)
9. What is the function of
i.
HCl
ii.
Mucus
iii. Gastrin Hormone
10. LIVER
Label: Right Lobe, Left Lobe, Gall bladder, bile duct
11. What blood vessel transports nutrients from the small
intestine to the liver? (pg.222)
_____________________________________________________
12. Six major functions of the liver (pg. 222-223)
ROLE
Detoxifier
Removal
Storage
Producer
Regulator/Maintenance
EXPLAIN
13. GALLBLADDER – explain the function
14. What are gallstones?
15. Explain the role of bile in the emulsification of fats. Use a
diagram from fat found in small intestine to absorption. (pg. 219)
16. Pancreas (pg. 222)
Endocrine Functions of:
a. Insulin
Pancreatic Juice (Exocrine) Functions:
 Water
 NaHCO3
b. Glucagon
 Lipase
 Trypinogen --trypsin
 Nucleases
 Pancreatic amylase
17. Describe how the SMALL INTESTINE is specialized for Physical
and chemical digestion (pg. 219)
Physical/Mechanical Digestion
Chemical Digestion
18. Describe how the SMALL INTESTINE is
specialized absorption using the villi
diagram. (pg. 219)
19. What is the function of
duodenum’s secretion of
(pg. 220)
CCK -
Secretin -
LARGE INTESTINE
20. FUNCTION: (pg. 220) Explain each process
i. Absorbs:
ii. Stores:
iii. Eliminates:
21. Describe the functions of anaerobic bacteria in the colon