CHAPTER OUTLINE
Let's J o u rn ey T h rou gh th e D ig estiv e S y s te m
4 0 0
T h e GI Tract Is S u p p o rted by th e P erito n eu m , and
Each o f Its S ections Has Four Layers
D ig estio n B egins in th e M o u th
S w a llo w in g Involves V o lu n tary and In v o lu n ta ry
S tag es
T h e S to m ach B egins D ig estio n in E arnest
T h e S m a ll Intestine Is th e S ite o f M o st D igestion
and A b so rp tio n
T h e Large Intestine A b so rb s W a te r and E lim in ates
W astes
T h e T h ree Phases o f D ig estio n A re C o n tro lled by
th e E nteric N ervo u s S ystem
Your D iet C o n ta in s M an y N u trien ts
4 1 6
N u trien ts A re M eta b o lized in a N u m b e r of W ays
418
C a rb o h yd ra tes A re C o n verted to G lucose
C e llu la r R esp iratio n C reates ATP
Lipids A re Broken D o w n into In te rm e d ia te s of
C e llu la r R espiration
P roteins Can A lso Be M e ta b o lize d to C reate ATP
H o rm o n es and C h em ical Levels R egulate
M e ta b o lic A ctivities
D ia b e te s an d O b e sity A re M eta b o lic D isord ers
4 22
D iab etes Is Like P ro lon g ed S tarvatio n
O b esity Is an Im b alan ce B etw een E n erg y Intake
and E n erg y E xp e n d itu re
■ W h a t a H ealth P ro vid er Sees: D ietin g and W e ig h t
Loss
T h e H eat from M e ta b o lism M u st B e R eg u la ted
427
CHAPTER PLANNER^
---------------------------^
□ Study the picture and read the opening story.
□ Scan the Learning Objectives in each section:
p. 400 □
p. 416 □
p. 418 □
p. 422 □
p. 427 □
Read the text and study all visuals.
Answer any questions.
Analyze key features
InSight, pp. 400-401 □
pp. 406-407 □
pp. 408-409 □
p. 413 □
Process Diagram, p. 405 □
p. 419 □
□ What a Health Provider Sees, p. 426 □
□ Stop: Answer the Concept Checks before you go on:
p. 415 □
p. 416 □
p. 422 □
p. 426 □
p. 430 □
End of chapter
Review the Summary and Key Terms.
□ Answer the Critical and Creative Thinking Questions.
□ Answer What is happening in this picture?
□ Complete the Self-Test and check your answers.
399
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