- 05 Examine The Natural Defenses And Normal Biota Of The Respiratory Tract By Completing Each Sentence Igm Proteus Vulga 1 (47.39 KiB) Viewed 101 times
- 05 Examine The Natural Defenses And Normal Biota Of The Respiratory Tract By Completing Each Sentence Igm Proteus Vulga 2 (55.98 KiB) Viewed 101 times
Proteus vulgaris epiglottis Streptococcus sp trachea alveoli macrophages respiratory system not complement esophagus IgA upper lower eosinophils also Most clinicians divide the respiratory system into two parts: the upper and lower tracts. The upper respiratory tract is made up of the mouth, nose, nasal cavity, sinuses, pharynx, and larynx. The larynx then leads into the lower respiratory tract, which begins with the trachea, a structure that feeds into the bronchi and bronchioles in the lungs, and finally ending in the sac-like alveoli. Defense mechanisms present in the upper tract consist of nasal hairs, the ciliary escalator, mucus, coughing/sneezing. secretory present in alveoli, and in the mucus. A variety of defenses are needed in this area because it is exposed to the external environment and harbors a large number of potential pathogens in the normal biota, such as Haemophilus influenzae, Neisseria meningitidis, and The lower respiratory tract is populated with normal biota, and its defense mechanisms include the action of mucus, macrophages and secretory IgA, as well as second-line defenses such as action. Reset