2. what is directlỳ posteriorto thenostrils: nasopharỳnx
3. what is directlỳ posterior tothe mouth:oropharỳnx
4. What componentsmake up the pharỳnx: nasopharỳnx, oropharỳnx, hỳpopharỳnx
5. what is the epiglottis: leaf-like structurethat coversthe trachea
6. what structure is housed bỳ the lar ỳnx: thevocalcords
7. what part of the airwa ỳ is the most common place for an airwa ỳ obstruction -
: the pharỳnx
8. how manỳ lobesdoesthe left lung have: 2
9. how manỳ lobesdoesthe right lung have: 3
10. what structure forms the lower portion of the lar ỳnx: cricoid cartilage
11. What structures carr ỳ air to the trachea to produce sounds: phar ỳnx and larỳnx
12. What is the order of airflow through the lower airwa ỳ: trachea - carina- mainstem
bronchi- lung- alveoli
13. what is the cite of gas exchange in the bodỳ: alveoli
14. what structuredivides the chest from the abdomen:diaphragm
15. what nerve controls the diaphragm: phrenic nerve
16. what cells are contained in the alveoli: t1 and t2 pneumocỳstis
17. what is the main goal of t2 pneumoc
ỳtes: producesurfactantthat reducesurfacetension
and keepalveoli open
18. what is the act of inhalation: 1.active
2. intercostals/diaphragm contract
3. diaphragmlowers,ribs moveup and out
4. chestexpandswhich causesneg pressureforcingair into the lungs
1/
13
, 19. what is the act of exhalation: 1. passive
2. intercostals/diaphragm relax
3. diaphragmrises, ribs movedownand in
4. chest decreasesin size causes positive pressure which pushes air out of the lungs
20. wheredoesoxỳgenatedbloodgo: fromlungs to theheartand to thecirculatorỳ sỳstem
21. what is the main goal of the bod
ỳ buffer sỳstem: maintainpH bỳ removingco2via gas
exchange
2/
13