1. Title: Anat & Phys 3/15/07 Objectives: Class Topics .
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Title: Anat & Phys 3/15/07
Objectives: .
Class Topics
Dissection – lower digestive tract
Notes – large intestine
Test Review
“The young do not know enough too be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.”
Pearl S. Buck
Thursday, November 22, :21 PM

2. Class Assignments Due this class period Due next class period
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Class Assignments
What
By When
Due this class period
Due next class period
Due in the future

3. 11/22/2018
Lab
Complete the lab

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5. Large Intestine 1.5 m long, 7.5 cm wide 3 regions cecum, colon, rectum
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Large Intestine
1.5 m long, 7.5 cm wide
3 regions
cecum, colon, rectum

6. functions 1. Reabsorption of water and compaction of chyme into feces
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functions
1. Reabsorption of water and compaction of chyme into feces
1500 ml chyme enters 200 ml feces leaves
2. Absorption of vitamins and minerals liberated by bacteria
3. storage of fecal matter

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8. Areas Cecum Colon very short, takes chyme from ileum
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Areas
Cecum
very short, takes chyme from ileum
has appendix attached
Colon
has pouches to allow for distension & elongation
4 regions - ascending, transverse, descending, and sigmoid

9. Areas Rectum Leads to anus expandable for storage
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Areas
Rectum
expandable for storage
internal anal sphincter - smooth
external anal sphincter - skeletal
Leads to anus

10. Bacteria & feces Liberate vitamins K & B12
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Bacteria & feces
Liberate vitamins K & B12
byproduct - hydrogen sulfide
rotten eggs
source of flatus
break down indigestible carbohydrates
Feces - 75% water, 5% bacteria, 20% indigestible material