Chapter 30 Flashcards
(8 cards)
1
Q
Nose
A
Inhales oxygen , filtered by nose hairs and mucus, warmed + moistened to allowing it to diffuse in capillaries in lungs easier
2
Q
Pharynx
A
Closes off trachea when we swallow
3
Q
Larynx
A
Vocal cords
4
Q
Trachea
A
Carries oxygen to the bronchi
Rings of cartilage
Contains mucous
Cilia allow mucous to move up and down
5
Q
Bronchi + bronchioles
A
Trachea—>bronchioles
Bronchioles —>bronchiole
Asthma inhalers —> bronchioles is restricted
Asthma is helps to dilate the bronchiole
6
Q
Alveoli
A
Gas exchange
Oxygen enters capillaries exchanges with carbon dioxide
7
Q
Adaptations o alveoli
A
Thin walled
Rich blood supply
Numerous
8
Q
Gas exchange
A
Diffusion
Oxygen travels through red blood cells
Carbon dioxide travels through plasma
