The lungs are symmetrical.

True or false.The lungs are symmetrical.False Hilum the "root" of the lung healthy lung tissue is what color peachy/pink color pleurae membranes that surround the lungs and the cavity around the lungs visceral pleura layer of pleura that faces/covers the lung parietal pleura outer layer of pleura lying closer to the ribs and chest wall that covers the surface around the lungs 1 / 3

pleural space/cavity 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 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 1) air conduction 2) air filtration 3) exchange of gases aka respiration other things respiratory system has roles in vocalization, sense of smell. body's pH regulation 2 / 3

structures in the respiratory system nasal cavity, pharynx, larynx, trachea, bronchi, lungs what happens to air as it goes from outside the body to the lungs 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 none and cartilage nasal septum a wall of cartilage that divides the nose into two equal sections of left and right fossae vestibule most external part of nasal cavity just inside the nostrils vestibule lining

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