Gas Exchange And Blood Proteins Flashcards
1
Q
Where does gas exchange occur
A
Occurs in the lungs and tiny air sacks known as alveoli
2
Q
How do gases move
A
They move via diffusion
3
Q
How have alveoli adapted for efficient gas exchange
A
They are very thin with a large surface area
4
Q
What does inhaled air contain
A
21% oxygen, 0.004% CO2
5
Q
What Does exhaled air contain
A
16% oxygen, 4% CO2
