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If the esophagus and trachea were completely separated in humans, which of the following would not be needed?
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- The mucosal portion of the trachea is lined with what type of cells?One of the major features that distinguishes the trachea from the esophagus by histology is the 1) C-shaped hyaline cartilage 2) mucus glands 3) epithelia 4) muscle layerMucous membranes (pseudostratified ciliated columnar epithelia) line most upper respiratory tract structures. Although these membranes filter the air by trapping pathogens in mucus, they are very delicate. Pieces of food passing through the oropharynx and laryngopharynx could damage this type of epithelium. Predict which type of epithelium protects the lining of the oropharynx and laryngopharynx.
- The pharynx is a passageway for which two body systems?Which of these statements about the pharynx is true? a. It extends from the nasal and oral cavities superiorly to the esophagus anteriorly. b. The oropharynx is continuous superiorly with the nasopharynx. c. The nasopharynx is involved in digestion. d. The laryngopharynx is composed partially of cartilage.The hemoglobin in mammalian blood is usually thought ofsimply as increasing the amount of O2 that can be carried by eachliter of blood. However, in a lecture on hemoglobin, a respiratoryphysiologist made the following statement: “The presence ofhemoglobin in the blood also makes possible the rapid uptakeof O2 by the blood as it flows through the lungs.” Explain thelecturer’s point.
- Trachea do not collapse when there is not much air because they are –a) thick and muscularb) having cartilaginous ringsc) Have valvesd) supported by larynx.If the esophagus and trachea were completely separate in humans, which of the following would not be needed? Question 22 options: Swallowing. A nose. An epiglottis. A diaphragm.Describe the function of these terms and describe where they are located: main bronchus, trachea, alveoli.
- The ________ is an airway that connects the nose and mouth with the ________. a. oral cavity; larynx b. pharynx; trachea c. trachea; pharynx d. pharynx; larynxWhat is the proper order of expiration. I - alveoli II - mouth || III - trachea IV- bronchus a) II, III, IV, I b) I, II, III, IV c) IV, II, III, I d) I, IV, III, IIIf you were asked to take an x-ray of a patient and the doctor needed to see BOTH lungs in the same picture, what section(s) would be appropriate for the task? Explain your answer. Briefly describe one example of how the circulatory, respiratory and digestive systems work together to maintain homeostasis.