Digestive system Flashcards
(21 cards)
who has the largest digestive system?
herbivores
Segmentation
forces feces back and forth in the colon to re absorb water
peristalsis
when food moves through the small intestine through a series of involuntary muscular contractions
the surface of the small intestine is greatly increased by…
a large number of villi
the sphincter that is located near the top of the stomach is called the …
esophageal sphincter
what is responsible for lipid digestion?
lipase
the break down of carbs by the salivary glands begins in the…
mouth
food that enters the small intestine is called
chyme
the main region of nutrient absorption is the
jejunum and ileum
what can not withstand highly acidic environments?
salivary amylase
accordion like folds in the wall of the small intestine
villi
which enzymes break down protein?
protease and pepsin
the pancreas releases…
- protease
- lipase
- amylase
- trypsin
hydrochloric acid is secreted by…
parietal cells in the stomach
amylase is secreted in the…
mouth and small intestine
gastric juices contain…
hydrochloric acid
pepsin
intrinsic factor
which carbs do humans use to create energy?
monosaccharides
what is the normal BMI range?
19-25
adipose cells
store glycogen
what results in the production of no insulin?
type 2 diabetes
what leads to scurvy?
deficiency in vitamin C
