mechanical digestion
chemical digestion
nutrients
about organs
miscellaneous
100
number of muscle layers around the stomach

three

100

kills bacteria in the stomach

hydrochloric acid

100

used in nearly every function in your body

water

100

stops the digestive juices in the stomach from digesting the stomach itself

mucus

100

a substance that promotes growth, provides energy, and maintains life

nutrient

200

"blades" in the mouth that cut a grind food

teeth

200
this enzyme cuts proteins apart

pepsin

200

an energy source your body can store

fats

200

wrinkles or folds of tissue that line the inner surface of the stomach allowing it to stretch

rugae

200

made of amino acids

proteins

300

ball of mashed up food mixed with saliva that gets swallowed

bolus

300

enzyme in saliva that breaks down carbohydrates

amylase

300

used to grow and repair and make more parts of you

proteins

300

a tear or hole in the stomach wall which can be painful

ulcer

300

thick creamy liquid of partially digested food in the stomach

chyme

400

waves of muscle action that pushes food through a food

peristalsis

400

places in the stomach that make acid, enzymes, and hormones

gastric glands or gastric pits

400

fiber and starch are types of this nutrient

carbohydrates

400

ring of muscle that opens and closes to let chyme enter the small intestine

pyloric sphincter

400

unpleasant sensation caused by gastric juices leaking from the stomach up into the esophagus

heartburn

500
size of an adult stomach when full

2 - 4 Liters

500

unfolds (denatures) tangled strings of proteins

hydrochloric acid

500

this nutrient is super popular right now with advertisers

protein

500

ring of muscle that stops things in the stomach from going back up

lower esophageal sphincter

500

Canadian who had a hole in his stomach that William Beaumont experimented on

Alexis St. Martin