2,3 energy and wast Flashcards
(28 cards)
the amount of eneergy in food is mesered is calories.
calorie
the amount of energy it takes to rais the tem pof 1 kg of by 1C
calorie
realeses the energy from the processed food.
you’re digestive system
the parts of food used by the body to grow and survive
nutrients
5 examples of nutreance
proteans,fasts,carbohighdrats,vitamins,and mineraels
the mechanical abd chemicael breakdown of food into small particals and molecules that you’re body can aborsorb and use
digesition
the 4 steps to digestgetoion.
ingestion digestion aborpsorion and elimination
when you chew mash and grind food jwith you’re teeth and tung
ingestion digestion aborsorption and elimaination
break down peaises of food into small moculus
chemical digestoon
when you put food into youre maoth.
inestoin
an enzyme if you’re maoth that helps break down carbofhdrates.
sliva
a muslcur toob that helps conectets to the mouth to the stomach
esophagus
food moves through the esophagus and the rest of the digestive track by waves of muscle contractions.
peristalsis
a large hollow organ that stoes food
stomach
an adult stomech can hold about…..of food and liquid
2 liters
enable the stomach to expand and hold larg amounts of food
the folds on the inner walls
The cells in these folds produce chemicals that help break down……
proteins
finger like projections that cover the folds of the small intestent
vill
nutrients enter the blood through vessels in this digestive organ…
small intestine
also known as the colon….
large intestine
where water is abosberd leaving behind semisolid wast
large intestine
the last section of the large intestine about 8 inches long
rectum
the finel oping or ‘‘exet door’’ of the digestiv system
anus
the semisolid wast that is ready to leave the digestiv system
feces
