Many URIs are named for the specific part of the body they affect. 2 Topics. Describe the various units of the lung as seen by the surgeon, the histologist or the physiologist. Stratified cuboidal epithelium - ducts of glands and part of male urethra 6. But I want to label it because I want you to see the difference between the esophagus and the trachea. Objectives (lecture + practical) l 4. The upper respiratory tract includes structures such as the nose, nasal cavity, mouth, throat (pharynx), and voice box (larynx). Upper respiratory tract infections are the most common infections in the population. These structures direct the air we breathe from the outside to the trachea and eventually to the lungs for respiration to take place.. An upper respiratory tract infection, or upper respiratory infection, is an infectious process of any of the components of the upper airway.. Comment on the fine structures and function of the pulmonary alveoli and the blood-air barrier . It doesn't matter if you're a dog with a short, pug nose or an elephant with a long, floppy nose, the nose channels air into your body. The diverse morphology and tissue composition of the respiratory tract support distinct physiological functions. There are two parts to our respiratory system: 1) the upper respiratory system and 2) the lower respiratory system. The respiratory tract is lined by respiratory mucosa or respiratory epithelium . Transitional epithelium - urinary tract-it permits distention 8. The respiratory tract is a part of the respiratory system which helps with the process of respiration. •Parts •Root •Dorsum •Apex •Naris(nostrils, anterior nasal apertures) •Ala. The major parts of the respiratory system include the upper respiratory tract and the lower respiratory tract. This difference in the site of infection may be part of the reason why the H5N1 strain causes severe viral pneumonia in the lungs, … This information is intended for medical education, and does not create any doctor-patient relationship, and should not be used as a substitute for professional … In humans, the respiratory tract is the part of the anatomy involved with the process of respiration. For example, the highly vascularized and labyrinthine nasopharyngeal tissues filter, warm, and humidify inhaled air. TeachMe Paediatrics. Complex obstructions, i.e. The parts of the body involved with the upper respiratory tract include: the nose, the nasal cavity, the nasal and paranasal sinuses, and the larynx and pharynx. UPPER RESPIRATORY TRACT The Nose and Nasal Cavity. l … The lower respiratory tract comprises the trachea, bronchi, bronchioles, and alveoli. So the tube that carries food down to your stomach is different from the tube that carries air into your lungs. Respiratory System : Upper Respiratory Tract Of The Respiratory System (16:02) Lesson 2 in our Respiratory System series. Our Upper … Encyclopædia Britannica, Inc.See all videos for this article. Overview of the upper respiratory tract (ventral view) Nasal cavity. The second half of the human airways, continuing after the larynx, including the trachea, bronchi, and the respiratory structures within the lungs – the, bronchioles, and alveoli, is referred to as the lower respiratory tract [1, 2]. In contrast, the highly lethal H5N1 strain binds to receptors that are mostly found deep in the lungs. Part 1: observations during high … The part above the voice box or larynx is upper respiratory tract and the one below it is lower respiratory tract. Epiglottitis. Aside from the common cold, other types of URIs exist: Sinusitis. An upper respiratory tract called the sinus a part of the upper respiratory tract tract including the nose,... 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