Digestive System
What is a function of the digestive system?
Break down food remove waste
Absorb nutrients
A color less gas that is essential for breathing and life
oxygen
Where does food enter our body from?
mouth
After you swallow your food, where does it go through to enter the stomach?
esophagus
Moves air into the lungs and made of cartilage rings
trachea
Where does most of the digestion occur in the digestive system?
small intestines
What does the stomach use to break down food into small pieces?
Acids
A large muscle under the lungs that help with breathing
diaphragm
tiny sacs at the end of the bronchioles filled with air
alveoli
What is the role of the large intestines?
Absorbing water and turning waste into feces
Two tubes that branch into each lung and carry air deeper into the lungs:
bronchi
spongy organ that helps people breathe and takes in the air people breath in
lungs
What does the liver do?
makes bile to help break lipids
State two functions of the respiratory system
send oxygen into our body
convert 02(oxygen) to c02 (carbon dioxide) and vice versa
what are the two types of digestion that occur?
mechanical and chemical digestion