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The lengthy __ receives secretions from the __ and __, completes __ of the nutrients in __, __ the products of digestion, and __ the remaining residues to the __.
small intestine
pancreas
liver
digestion
chyme
absorbs
transports
large intestin
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The small intestine consists of the __,__,__.
duodenum
jejunum
ileum
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The __ is the shortest and most fixed portion of the small intestine; the rest is __ and lies __ in the __.
duodenum
mobile
free
peritoneal cavity
-
The small intestine is suspended from the __ by a __ of __ called __.
posterior abdominal wall
double-layered fold
peritoneum
mesentery
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The inner wall of the small intestine is lined with __, which greatly increase the __ available for __ and aid in __.
intestinal villi
SA
absorption
mixing actions
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Each __ contains a core of __ housing __ and a __ called a __.
villus
connective tissue
blood capillaries
lymphatic capillary
lacteal
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Between the bases of adjacent __ are __.
villi
tubular intestinal glands
-
Cells that secrete mucus in the small intestine include __, which are abundant throughout the __, and __ in the __ of the __.
goblet cells
mucosa
mucus-secreting glands
submucosa
duodenum
-
__ at the bases of the __ secrete large amounts of watery fluid that carry __ products into the __.
intestinal glands
villi
digestive products
villi
-
__ of the __ have embeed __ on their __, including __(5)__.
epithelial cells
mucosa
digestive enzymes
microvilli
peptidases
sucrase
maltase
lactase
intestinal lipase
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The small intestine is the major site of __ within the alimentary of the canal.
Absorption of the following (5)
absorption
- monosaccharides
- amino acids
fatty acids
water
electrolytes
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The small intestine carries on __ and __.
The __ at the junction of the small and large
intestines usually remains closed unless a __ is elicited after a meal.
segmentation
peristaltic waves
ileocecal sphincter
gastroileal reflex
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What does the large intestine do?
absorbs water and electrolytes and forms and stores feces
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The large intestine consists of the __, __, the __, and the __.
cecum (pouch at the beginning of hte LI)
colon (ascending, transverse, descending, and sigmoid regions)
rectum
anal canal
-
The __ opens to the outside as the __: it is guarded by an __ and a __.
anal canal
anus
involuntary internal anal sphincter
voluntary external anal sphincter muscle
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The large intestinal wall has the same __ layers found in other areas of the alimentary canal, but lacks many of the features of the __.
four
small intestinal mucosa
-
Fibers of the __ are arranged in __ that extend the entire length of the __, creating a series of __ (__).
longitudinal muscle
teniae coli
colon
pouches (haustra)
-
The large intestine does not __ or __, but it does __.
The large intestine absorbs __ and __.
digest or absorb nutrients; secrete mucus
water; electrolytes
-
The movements of the large intestine are similar to those of the small intestine.
__ happen only __ or __ times a day.
__ is stimulated by a __ that forces feces into the __ where they can be expelled.
Peristaltic waves; two; three
Defecation; defecation reflex; feces
-
__ are composed of __, __, __, __ and __.
- feces
- undigested material
- water electrolytes
- mucus
- bacteria
-
The color of feces is due to __.
The odor of feces is due to __.
action of bacteria on bile pigments
action of bacteria
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