Respiration Flashcards
What are the weedy looking substance called in our lungs?
Bronchus
What does the bronchus do?
Bring air in and out of our lungs
What surrounds our lungs?
Our ribs
Which are connected by…
Our intercostal muscles
What do the intercostal muscles do?
Let us extend extend our rib cage when breathing
What are the things on the end of the bronchus?
Alveoli
What does the trachea do?
Brings air in an out of our body
What is the pipe going into our lungs called?
The trachea
What is the thing at the top of the trachea?
The larynx
What is the bell jar experiment?
Where we have a bell jar with 2 balloons hanging from small glass (which have there own hole out of the top of the bell jar) tubes, with a sealed top except from ^ hole with a stretchy elastic sheet at the bottom
What did the elastic sheet represent?
A diaphragm
What did the balloons represent?
Lungs
What did the bell jar represent?
Our rib cage
What happened to the balloons when we pulled the elastic sheet?
The air pressure lowered and the forced air into the balloons
