Air and lungs Flashcards
How much of the nitrogen in the air do we breathe out
78%
How much of the nitrogen in the air do we breathe in
78%
How much of the oxygen in the air do we breathe out
17%
How much of the oxygen in the air do we breathe in
21%
How much of the co2 in the air do we breathe out
4%
How much of the co2 in the air do we breathe in
1%
How much of the water in the air do we breathe out
1%
How much of the water in the air do we breathe in
> 1%
What does copper +oxygen =
Copper oxide
What is the test for oxygen
Pure oxygen will relight a glowing splint
What happens when u burn something in pure oxygen
It burns hotter and brighter
What is the test for carbon dioxide
Carbon dioxide will turn limewater milky
Name the different parts of the lungs
Nasal cavity mouth larynx trachea bronchi bronchioles alveoli diaphragm
When we breathe in our rib cage goes what ways
Out and up
When we breathe out our rib cage goes what ways
Down and in
