Alveoli Flashcards
(4 cards)
1
Q
Close to capillaries to…
A
minimise diffusion distance
2
Q
Ventilates to…..
A
maintain high levels of oxygen and low levels of carbon dioxide in the alveolar air space.
3
Q
A good blood supply to….
A
ensure that the blood rich in oxygen is carried away from the lungs and the blood rich in carbon dioxide is carried to the lungs
4
Q
a layer of moisture to…
A
help diffusion as gases dissolve