BIOD 151 Module 2 (100% Accurate)

True or false. The lungs are symmetrical. correct answers False Hilum correct answers the "root" of the lung healthy lung tissue is what color correct answers peachy/pink color pleurae correct answers membranes that surround the lungs and the cavity around the lungs visceral pleura correct answers layer of pleura that faces/covers the lung parietal pleura correct answers outer layer of pleura lying closer to the ribs and chest wall that covers the surface around the lungs pleural space/cavity correct answers Space between the visceral and parietal pleural membranes (small) typically empty but has a small amount of fluid that allows for frictionless breathing when diseased, this space can fill with air or fluid what is the function of the pleurae correct answers the pleurae help reduce friction and help with inflation and inhalation compartmentalize, protect, and lubricate the lungs the three main functions of the respiratory system correct answers 1) air conduction 2) air filtration 3) exchange of gases aka respiration other things respiratory system has roles in correct answers vocalization, sense of smell. body's pH regulation structures in the respiratory system correct answers nasal cavity, pharynx, larynx, trachea, bronchi, lungs what happens to air as it goes from outside the body to the lungs correct answers air is filtered so it has no debris air is warmed to body temp air is humidified and becomes saturated with water nasal cavities aka fossae are composed of what correct answers none and cartilage nasal septum correct answers a wall of cartilage that divides the nose into two equal sections of left and right fossae vestibule correct answers most external part of nasal cavity just inside the nostrils