Respiratory system Flashcards
(6 cards)
1
Q
Upper respiratory tract
A
nose, pharynx, epiglottis, vocal cords/larynx, trachea
2
Q
What is the upper respiratory tract lined with that secretes mucus?
A
Ciliated cells
3
Q
What does mucus do?
A
Trap foreign particles
4
Q
Lower respiratory tract
A
Bronchi, bronchioles, alveoli
5
Q
What happens in the alveoli?
A
Gas exchange
6
Q
How is gas exchange happening in the alveoli?
A
Blood cells drop off CO2 (diffusion), and take O2 (diffusion)
