digestion Flashcards
think of food as a ____ for your body
fuel
What 2 things are combined to aid digestion
oxygen and chemicals
how is food broken down in the stomach
hydrochloric acid breaks down food and the stomach muscles squeeze
what protects stomach lining from hydrochloric acid
mucus and it replaces itself across 3 days
how long are the small and large intestine
small=7 large=2
what is peristalsis
muscles in throat push food down into the esophagus
what is chyme
broken down food mixed with stomach acid
what is the function of the pyloric valve
it lets food pass from the stomach to the small intestine and is located at the bottom of the stomach
what is waste
the stuff leftover after your body extracts the nutrients in food
in what organ are the nutrients absorbed
small intestine
in what organ are the waste products dried
large intestine
path of digestion
mouth, esophagus, stomach, small intestine, large intestine, out the butt
how old are the following cells
skin
blood
digestive track lining
7 years
4 months
3 days
what does food do in your body
provides replacement parts, energy, puts cells together and keeps them working
what do nutrients do
help your body grow and repair itself
six major categories of nutrients
carbohydrates, fats, protein, water, vitamins, minerals
how long is your digestive tract
32 feet
digestive tract is a _______ that __________
muscular tract that keeps food moving
how long does the digestive route take
1 and 1/2 days to small intestine and 1-3 to the large intestine
