In chronic smokers, the lining of the trachea and bronchichanges from a pseudostratified ciliated columnarepithelium to a stratified squamous epithelium. Why do youthink this change occurs? What are some consequences ofthis epithelium in the trachea?

Q: The airways exist in two major forms. What are they?

A: Airways means the conduction of air into the main respiratory organ such as the lungs from the nose…

Q: What type of epithelium does the alveoli have?

A: The term 'Epithelium' was given by dutch anatomist Ruysch in the year 1638 -1731. Epithelial tissues…

Q: The two openings of the pharynx, one leading to trachea and the other leading to oesophagus, lie…

A: The pharynx is the common structure involved in both the respiratory system and the digestive…

Q: How a negative pressure breath from a mechanical ventilator affects the intra-alveolar pressure,…

A: Mechanical ventilator:A machine that helps in breathing(ventilation) of the patient who is…

Q: All are true of the alveoli except contain a lipoprotein to help in inflation they have thin walls…

A: Introduction  Lungs are the key organ which plays major role in respiration and gaseous exchange.…

Q: 31. Which paired image(s) and drawing(s) of pseudostratified columnar epithelium of the trachea…

A: The trachea is also known as wipe as it is the tube that connects to the lungs and helps in…

Q: The following image shows the respiratory membrane with its components labelled from A to E. CO2…

A: Respiratory Membrane Diagram:

Q: What is the function of the mucous lining of the epithelium inthe respiratory tract?

A: Respiratory epithelium is a type of ciliated columnar epithelium found lining most of the…

Q: Discuss the arrangement of the trachea, esophagus, larynx,and epiglottis, which normally prevents…

A: BASIC INFORMATION  BREATHING  It is the process in which the air is taken in and exhaled out. The…

Q: the following parts of the respiratory tract, indicate the type of epithelium found there (simple…

A: following i will be discussing the type of epithelium lining the given structures and their…

Q: The type Il alveolar cells are important because they_. produce surfactant O form a layer of thin…

A: Alveoli cells are the ones present in the alveoli of lungs. It is the site of gaseous exchange in…

Q: Suppose that the thoracic wall is punctured at the end of a normalexpiration, producing a…

A: Pneumothorax is the condition in which air leaks in the space between the lung and the chest wall,…

Q: 1.a) Still at a high power, how many nuclear (cell) layers can you observe? 1. b) Why is the…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: The respiratory membrane is composed of two extremely thin layers of simple squamous epithelium.…

A: ach day, approximately 12,000 liters of air pass through the lungs and are used for obtaining oxygen…

Q: Gas exchange that occurs at the level of the tissues iscalled ________.a. external respirationb.…

A: Lungs perform important role in gas exchange between the external environment and the internal…

Q: The vocal folds of the larynx of Dense, elastic consisting connective tissue O True O False

A: Introduction Muscles of the vascular, smooth, and cardiac systems make up the muscular system. It…

Q: You cannot affect the oxygen delivery to your tissues by drinking “oxygenated water.” However,…

A: Answer --Oxygenated Water -- A new technique of functional water product in which oxygen is added to…

Q: Trachea do not collapse when there is not much air because they are –a) thick and muscularb) having…

A: The trachea is generally referred to as the windpipe.  This is a tube-shaped structure that is 4…

Q: Diagram of portion of lung lobule. and Bronchial tree branching

A: NOTE:- As you have posted two diagrams, we will solve the first part for you, to get the remaining…

Q: Is it correct to say that iron atoms in the blood carry oxygen? Shortly say why or why not.

A: Oxygen is essential for life. Red blood cells are the key elements that carry oxygen and removing…

Q: how he structural features of esophagus (a tube posterior to the trachea), trachea and small airways…

A: The trachea is commonly known as the windpipe. It begins under the larynx and runs down the sternum.…

Q: Death by drowning can occur in either of two ways, by theairways filling with water (more common),…

A: Drowning refers to the submerged or immersed condition of the mouth and nose in water that results…

Q: Your alveoli are adapted to speed up the diffusion of gases. Of the following options, choose the…

A: Respiration is considered the key process that takes place in all living cells to generate energy…

Q: What prevent the lungs and chest wall move inward during expiration

A: Expiration is the flow of the breath out of an organism. It is the movement of air from the lungs…

Q: Why the walls of trachea are supported by cartilaginous rings?

A: The respiratory system is the set of organs that allows an individual to breathe and exchange oxygen…

Q: Physiology and Anatomy of Respiratory System

A: Within the thorax, the respiratory system is located and this respiratory system is accountable for…

Q: Cartilage has primary function to: keeps the windpipe open all the time increase the surface area O…

A: Hyaline cartilage present in tracheal wall . It provides support and prevent trachea from…

Q: The trachea A. Conducts air from the larynx into the bronchi B. Is lined with pseudostratified…

A: Trachea is also known as windpipe. Trachea starts from the larynx and run down the sternum. Trachea…

Q: What do you mean by compound alveolar glands?

A: An organized arrangement of secretory cells is collectively known as glands. They synthesize and…

Q: Lungs contain more elastic fibers than collagen fibers.

A:

Q: Factors affecting respiration

A: Respiration is defined as the exchange of gasses from the lungs to the environment.…

Q: What is the difference between stratified squam

A: Stratified squamous epithelium of epiglottis : The epiglottis has two surfaces a forward facing…

Q: QUESTION: What does the EM demonstrate regarding the air-blood barrier?

A: Capillaries  They are very fine thread like blood vessels that present throughout the body.

Q: State the purpose the trachea’s “C-shaped” cartilage ring.

A: The trachea, which is commonly called the windpipe, is a cartilaginous tube that connects the…

Q: histology: write the function of The basal membrane Respiratory alveolocytes Secretory alveolocytes…

A: Anatomy is the scientific study of the organism’s structure together with their tissues, organs, and…

Q: What do you mean by tubulo alveolar glands?

A: Alveolar glands or the saccular glands are similar in structure as that of alveoli present in the…

Q: The Respiratory System Examine an H&E slide of a transverse section of the trachea or main…

A: We are answering first 3 parts  for rest of questions pls repost

Q: The cells that secrete surfactant into the alveolar space are O Type Il alveolar cells O Endothelial…

A: Surfactant  is defined as the lipoprotein (mixture of lipid and proteins) comprised of some…

Q: The alveoli in the lungs where gas exchange occurs are composed of a simple squamous epithelium.…

A: Respiration is the metabolic process of taking in oxygen and giving out carbon dioxide. This process…

Q: Which part of the bronchial tree contains ciliated simple columnar epithelium as seen in the photo…

A: Introduction The respiratory system is a biological system in animals and plants that consists of…

Q: True or False and why. "If a person exhibits alveolar partial pressure for oxygen equivalent to that…

A: The pulmonary tract warms and humidifies the air before it is inhaled through the higher airways. As…

Q: Certain medical conditions cause the simple squamous epithelium in the lung to thicken. Predict the…

A: The epithelium is the outer lining of the body and it covers the lumen of the ducts of most of the…

Q: Uhe reason that gas exchange occurs between the capillaries and the alveoli is that, unlike other…

A: The alveoli are the main sites for gaseous exchange. This process of  gaseous exchange  occurs by…