digest food 10 percent of energy 

20 percent of energy output 

food is the fuel that we burn that our muscle work 

food also supply the internal organ stay put 

the meal 

the food will make 24 hours for this journey

one thousand  gallon of water 

20 ton of fruit

 swallowing start the food machine 

epiglottis 

air passage to the lungs 

muscut

drink standing on your head -peristalsis

entire process of digestion 

3 pair of salivary gland) ( 2 pint of saliva) 

food twisting 36 

body systematically - digest - til it can utilized as energy

living tissue 

teeth demolish the food 

contiain two enzyme startch molecule to sugar -

sugary sweetness in your mouth 

bolus squeeze down to the stomach 

valve - cardiac spinter 

pyloric spinter 

diluting or concentrating 

holding food between meal 

strong acid breaking down food 

some of the cell release HCL acid 

stomach lining a gallon of gastric juice a day 

special pleasure to cook 

same food release same amount of energy 

energy is measure in calories

tea spoon of sugar 20 kcal 

fatty food provide more concentrated calories 

instestine coil inside in the body ( 30 feet ) 

peristalsis -

each contraction -

fat flow in two tinny 

entering into blood circulation 

dense network 

fat wrapped around the small intesting 

we are what we eat 

healthy body need balance nutrient 

we need to stay alive 

fruit are rich in sugar and vitamin 

vitamin c in oranges 

bone gum and teeth 

supply vitamin and mineral 

fish provide vitamin e 

skin and hair 

bean are exellent source of nutrient 

cereal 

hard to keep moving 

tea spoonful 

3 organ 

liver , gall bladder , pancreas help releasing enzyme to digest food 

liver 2 pint of green liquid bile 

bile breakup globule of fat 

nerve in the intestine in the intestine wall 

pancreatic 

building block 

liver is the largest organ 

chemical factory 

carried nutrients from small intestine from blood vessels. 

5 feet through 

huge number of bacteria in small intestine

making small amount of vittamin 

make up our solid waste 

last component is water 

waste products

60 percent of human body 

10 gallons 

lining of the digestive tract changing 

filter out water 

digestive fluid return to the food 

two kidneys 

artery and vein 

pass trough 

400 gallon a day 

kidney contain million filter unit 

99 percent of clean water return to the blood 

remaining liquid flow down 

few pint of urine 

how much we drink

how much we sweat 

Ureter 12 inches to the bladder 

elastic wall - bladder 

can grow 

food machine final stage is excretion 

eating digesting and excretion 

keep up alive and healthy