BIOD 151 MODULE 2 EXAM QUESTIONS AND VERIFIED ANSWERS 2024 LATEST GUIDE.

1. True or false. The lungs are symmetrical.: False 2. Hilum: the "root" of the lung 3. healthy lung tissue is what color: peachy/pink color 4. pleurae: membranes that surround the lungs and the cavity around the lungs 5. visceral pleura: layer of pleura that faces/covers the lung 6. parietal pleura: outer layer of pleura lying closer to the ribs and chest wall thatcovers the surface around the lungs 7. pleural space/cavity: Space between the visceral and parietal pleural mem-branes (small) typically empty but has a small amount of fluid that allows for frictionless breathingwhen diseased, this space can fill with air or fluid 8. what is the function of the pleurae: the pleurae help reduce friction and helpwith inflation and inhalation compartmentalize, protect, and lubricate the lungs 9. the three main functions of the respiratory system: 1) air conduction 2) air filtration 3) exchange of gases aka respiration 10. other things respiratory system has roles in: vocalization, sense of 's pH regulation 11. structures in the respiratory system: nasal cavity, pharynx, larynx, trachea,bronchi, lungs 12. what happens to air as it goes from outside the body to the lungs: air isfiltered so it has no debris air is warmed to body temp air is humidified and becomes saturated with water 13. nasal cavities aka fossae are composed of what: none and cartilage 14. nasal septum: a wall of cartilage that divides the nose into two equal sectionsof left and right fossae 15. vestibule: most external part of nasal cavity just inside the nostrils 16. vestibule lining:skin continuation from the face and vissibrae 17. Vibrissae:short thick hairs that help filter for the respiratory tract aka nose hairs 3 / 7 18. nasal conchae or folds: increase the surface area of nasal cavity to aid inwarming and humidification of incoming air 19. why is the nasal cavity highly vascularized: to warm incoming air 20. Three regions of the pharynx: nasopharynx, oropharynx, laryngopharynx 21. nasopharynx: connection between nasal cavity and pharynx - superior regionof the pharynx at the back of the nose and above the soft palate