Cellulose (gives plants rigidity) - ANS--linear chains; bound together
-Constituent of cell walls
-Not digested by most animals
-Association with lignins
Deficiency - ANS--lower birth/growth rates
- reduced production
-lower fertility
Effects of protein
Excess - ANS-enlarged kidneys, expensive
, Emptying of stomach requirements - ANS--Fluidity and acidity of components in
stomach
-Receptivity of duodenum
-pyloric pump-contractions of stomach become more violent & push food through pyloric
sphincter
Esophagus - ANS-Muscular structure connecting pharynx to the stomach
essential amino acids - ANS-one that can NOT be synthesized by an organism at a rate
equal to its physiological needs
fatty acid composition - ANS--Fats contain more carbons per oxygen
Functions of lipids - ANS--Energy source
-Absorb vitamins ADEK
-Cushion/protect organs
-Reduce clustiness in rations
Gastric fluid flow regulation - ANS-Cephalic phase- nerve impulse prepares stomach for
incoming food
Gastric phase- nerve impulse and hormonal response, food is in stomach
Intestinal phase- hormonal response
Gastrin functions - ANS--Endocrine gland
-hormone produced by pyloric region of stomach
-targets stomach to produce more secretions
Hemicellulose - ANS--mixture of pentoses and hexoses
-less digestible than starch; more digestible than cellulose
Hepatic fluid - ANS-(bile)
-produced in liver, stored in gall bladder
-pH alkaline, dark green
-contains waste products of liver metabolism
hepatic fluid control - ANS-CCK- controls the release of hepatic fluid from gall bladder
(released by duodenum)
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