Gaseous exchange Flashcards
1
Q
Where does gaseous exchange happen?
A
Alveoli
2
Q
What are four adaptations of the alveoli?
A
They are moist, have a good blood supply, have thin walls and give the lungs a large surface area
3
Q
Where does the oxygen travel?
A
From the alveoli to the bloodstream
4
Q
Where does the carbon dioxide travel?
A
From the bloodstream into the alveoli
5
Q
What happens to people with asthma?
A
The lining of their airways swell up making it hard to breathe
6
Q
What does an inhaler do?
A
It has drugs that open up the airways so they aren’t as narrow
