2.3 energy and waste Flashcards
When you put food in your mouth.
INGESTION
Where does mechiacl and chemical digestion begin
Your big fat mouth
The amount of energy in measured in calories
calorie
The amount of energy it raises the temperature
calorie
Release the energy from the procceed food
Your digestive system
The parts that by the body grow surive.
Nutrients
EXamples of nutrients
Proteins fats cob rates vitamins and minerals
Mechanical and chemical breakdown food particles molecules your body that exports
Diegestion
The 4 steps of digestion
Ingestion digestion absorption elmition
chew and much with teeth and tongue
mechanical digestion
pieces of food in to small mocules
chemical digestion
put bread or food in your mouth
ingestion
enzyme in your moth breaks down cardbrodes
saliva
muscular tube that connects mouth to the stomach
esophagus
Food move through esophagus rest of the digestive tract muscles contractions
peristalsis
large hollow organs that stores food
stomach
An adult stomach of food and liquid
2 liters
stomach expands large amount of food
Ineeer wallsfolds
Cells folds produce chemicals break down
proteins
stomach fluids made stomach accidic
gastric juice
enzyme breaks dowen proteins in foods into amno acids
pepsin
long tube conneceted the stomachs about 7 m 23 ft long
small instine
progects cover folds small instine
villi
nutrients blood through blood vessels digestive
small instine
