Ch 9 Flashcards
Metabolism
Using nutrients for cell processes, growth, generation of energy, and elimination of wastes
Alimentation
The process of providing nutrition for the body
What 4 processes does the digestive system use
Ingestion, digestion, absorption, and elimination
Ingestion
The oral intake of substances into the body
Digestion
The mechanical and chemical conversion of food into substances that can eventually be absorbed by cells
Absorption
The process in which the digested
Food molecules pass through the lining of the small intestine into the blood or lymph capillaries
Elimination
The removal of undigested food particles
Defication
The elimination of wastes through the anus
3 main classes of nutrients
Carbohydrates, proteins, and lipids
Enzymes
Agents that chemically break down specific sugars into simpler substances
Lactose
Milk sugar
Enzyme that breaks down lactose
Lactase
- ose
Sugar
- ase
Enzyme
The eventual product of the digestion of sugars as well as starchs
Glucose
The enzyme that breaks down protein
Protease, proteinase
The enzyme that breaks down lipids
Lipase
-ation
Action or process
Bil/i, chol/e
Bile
Cirrh/o
Orange- yellow
De-
Down, from, reversing
Glycos/o
Sugar
-orexia
Appetite
-pepsia
Digestion
Vag/o
Vagus nerve
Viscer/o
Viscera
The digestive tract can be called
The alimentary tract
Gastrointestinal
Pertaining to the stomach and intestines
Cheil/o
Lips
Dent/i, dent/o, odont/o
Teeth
Gingiv/o
Gums
Or/o, stomat/o
Mouth
Esophag/o
Esophagus
Gastr/o
Stomach
Enter/o, intestin/o
Intestines
Duoden/o
Doudenum
Jejun/o
Jejunum
ile/o
ileum
Col/o
Colon
The inability to communicate through speech, writing, or signs
Aphasia