Gas exchange Flashcards
1
Q
In the alveoli is there a high concentration of oxygen or carbon dioxide
A
In the alveoli, there is a high concentration of oxygen and a low concentration of carbon dioxide.
2
Q
What does the layer of moisture do
A
Oxygen dissolves in the layer of moisture, so it can diffuse through cell membranes.
3
Q
In the blood is there a high concentration of oxygen
A
no there is a low concentration of oxygen
so the oxygen diffuses from the alveoli into the blood.
4
Q
In the blood is there a high concentration of carbon dioxide
A
yes, there is a high concentration of carbon dioxide
so diffuses from the blood into the alveoli.
