Gas Exchange Flashcards
1
Q
Where does gas exchange take place ?
A
The alveoli
2
Q
What are the four common adaptions of exchange surfaces ?
A
Large surface area
Small space
Mucus
Large concentration area
3
Q
What percentage of nitrogen do we inhale ?
A
78%
4
Q
What percentage of oxygen do we inhale ?
A
21%
5
Q
What percentage of carbon dioxide do we inhale ?
A
0.04%
6
Q
Blood going into the alveoli has a higher concentration of ?
A
Carbon dioxide
7
Q
Air in the alveoli has a low concentration of ?
A
Carbon dioxide
