Term
| The process involved in getting nutrients from enviromentto blood is by |
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Definition
ingestion
mechanial breakdown
Chemical digestion |
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Term
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Definition
| it is passive and & active transport processes move monomers from lumen to gut to blood. |
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Term
whats is the defintion of:
Ingestion?
Mechanical breakdown?
Chemical digestion? |
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Definition
eating
chewing in mouth,churning in stomach
enzymatic breakdown of macromolecules to monomers sub units. |
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Term
| Accessory structures to the digestive system are ? |
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Definition
Salivary glands
Liver
gallbladder
pancreas |
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Term
what is the definition of:
Nutrient?
Digestion? |
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Definition
any substances that the body cant synthesize, must be obteined from diet.
is the breakdown of the large molecules eaten as food to smaller molecules thatcanbe obsorbed. |
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Term
| Digestion is accomplished by a biological catalyst called what? |
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Definition
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Term
What is a:
Rugae?
Villi?
Lumen? |
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Definition
folds in the stomach lining.
finger like projections in the (SI)
center of tubeof the digestive track(for chemicalbreakdown) |
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Term
what is the:
mouth used for? |
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Definition
| for ingestion,mechanical breakdown,digestion via amylase. |
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Term
| whats is the esophagus used for? |
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Definition
| it is passage to the stomach (via peristalsis) |
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Term
| what is the stomach used for? |
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Definition
| Food storage,,mechanical breakdown,(via peristalisis and (chemical breakdown(pepsin) |
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Term
| what is the small intestines used for? |
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Definition
| chemical digestion by multiple enzymes, absobes into villi and peristalisis. |
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Term
| what are large intestines used for? |
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Definition
| reabsorption of fluid,storage before elimination,peristalisis. |
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Term
Lipids must be .........what?
by?
before? |
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Definition
mulsified by bile salt
they can be digested(by lipase) |
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Term
what is :
Peristalsis?
Chyme? |
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Definition
is the rthymical contraction of circular and longitudal muscle that moves contents in the GI tract.
is the liquid "food"leaving the stomach into small intestines. |
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Term
| one exceptions of lipids or fats which are absorbed into ..........in the .......are called? |
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Definition
lymphatic vessels
villi
lacteals.. |
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Term
| the digestive system supplies the body withwhat? |
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Definition
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Term
| where does most absorption take place ? |
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Definition
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Term
| what are the role of the salvary glands? |
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Definition
| it provide mucus which moistens food for swallowing ,amylase begins(enzymes)digestion of starch. |
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Term
| what is the livers role in the digestive system? |
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Definition
| synthesis of bile, which emulsifies fat also has a special portal circulation. |
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Term
| what is the roll of the gallbladder? |
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Definition
| concentration&stoarge of bile,for intermittent release in to (SI) as a bolus. |
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Term
| what is the role of the pancreas? |
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Definition
| exocrine and endocrine glands releases, bicarbonate-rich mucus&digestive enzymes. |
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