digestion Flashcards
(18 cards)
7 influences on hunger
-activity levels
-energy exerted
-job type (sedentary vs active)
-temperature
-mood
-some medications
-eating disorders
appetite triggered by
-sight
-aroma
-mention of food
satiety
physiological and phsychologically feeling full
satiety helps control
the amount of food we eat
leptin
-hormone produced by fat cells
-helps regulate body weight
-tells your brain you are full
ingestion is
the process taking food into the body
digestion is
the process of ingested food being broken down into chemical compounds where it is used as nutrience or eliminated by the body
nutrience broken down
carbs-glucose
protein-amino acids
fat-fatty acids
mechanical digestion is the
physcal breakdown of food
chemical digestion is
break down of food using acids and enzymes
chyme
acidic fluid, consisting of gastric juices and partly digested food, which passes from the stomach to the small intestine
Peristalsis
the involuntary muscle movement that moves food through your gastrointestinal tract.
Salivary Amylase
an enzyme found in saliva and helps to break down the starches in your food
bile
-digestive fluid
-produced by the liver and stored in the gallbladder
-breaks down fats into fatty acids
villi
Lines the small intestine and absorbs nutrience from chyme
small intestine function
break down food and absorb nutrients
3 large intestine functions
-absorbs water and electrolytes from undigested food
-forms and stores feces before elimination
-houses beneficial bacteria that produce vitamins and aid in fiber digestion.
pepsin
a stomach enzyme that digests proteins by breaking them down into smaller peptides and amino acids.
