The trachea A. Conducts air from the larynx into the bronchi B. Is lined with pseudostratified collated columnar epithelium C. Is supported by smooth muscle D. Only (a) and (b) are correct.

Q: Contrast the epithelium of the bronchioles with that of the alveoli and explain how the structural…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Immediately after the creation of an opening through the thorax intothe pleural cavitya. air flows…

A: Discussing about creation of an opening through the thorax into the pleural cavity.

Q: What is the advantage of breathing through the nose rather than the mouth? a. The nose warms,…

A: The breathing can be defined as the inhaling of oxygen and removal of carbon dioxide out of the…

Q: You have placed an advanced airway in a patient with a respiratory condition and his heart rate…

A: In general, we can see the increased heart rate in patients for whom advanced airway has been placed…

Q: The rhythmic control of breathing is produced by the activity of inspiratory and expiratory neurons…

A: Breathing refers to a rhythmic activity that occurs due to the neuronal network's function within…

Q: The structures in the passageways of the lung which become paralyzed in the early stages of chronic…

A: Chronic bronchitis is when the bronchi are inflamed for a long time. Smokers are particularly prone…

Q: Describe the structure of the bronchial tree.

A: The trachea branches into the bronchial tree.

Q: The C-shaped cartilages in the tracheaa. serve as a point of attachment for some muscles…

A: Tracheal cartilages: The trachea also called the windpipe houses tracheal rings/tracheal cartilages…

Q: Why must the lung be able to return to its normal non-deflated shape? and name facctors that enable…

A: The lungs are spongy organs, full of air, and are found on both sides of the thorax. When we inhale,…

Q: The partial pressure of carbon dioxide is 45 mm Hg inthe blood and 40 mm Hg in the alveoli. What…

A: Partial pressure is the pressure of a single type of gas in a mixture of gases. The total pressure…

Q: Callisto has managed to escape Xena, and therefore Xena decides to rest for the night in a small…

A: Introduction  Breathing is the process of moving air into and out of the lungs in order to…

Q: Palpate two of your laryngeal cartilages and name them. Name the ones that are impossible to palpate…

A: BASIC INFORMATION CARTILAGE  Unlike bone it is soft and flexible in nature.  Proteins and sugars…

Q: Relate the microscopic anatomy of the pulmonary alveoli to their role in gas exchange?

A: Introduction: The respiratory tract of a human is divided into two types: lower airways and upper…

Q: This connects the larynx to the bronchi in the lungs.a. epiglottis c. tracheab. pleura d. esophagus

A: The lungs are a pair of air-filled, spongy organs on either side of the chest (thorax). Via its…

Q: Expansion of the chest cavity during normal relaxed breathing is accomplished by the diaphragm…

A: Option A : external/internal abdominal oblique is incorrect:  Explanation They are active during…

Q: The bronchi lead to the: bronchioles

A: The respiratory system is a collection of organs and tissues that assist us in breathing, exchanging…

Q: Match the words with their descriptions. ___ trachea a. muscle of respiration ___ pharynx b. gap…

A: The respiratory system is involved in providing all necessary oxygen to all the parts of the body by…

Q: Write the function of larynx.

A: The larynx is a tube-shaped organ in the neck that contains the vocal cords. It is about 5 cm long.…

Q: In both lungs, the surface that is the largest is the (a) costal, (b) mediastinal, (c) inferior…

A: The respiratory system of humans is a network of organs and tissues that work together to help the…

Q: Which of the following is NOT a function of the pleurae and pleural fluid? A. decreasing friction…

A: Pleurae and pleural fluid are related to the lungs. The lungs extend up to T10( 10th thoracic…

Q: What do you mean by alveoli?

A: Alveoli are an important part of the respiratory system whose function it is to exchange oxygen and…

Q: Why is the trachea supported by cartilage?

A: The trachea, also known as the windpipe, is a cartilaginous tube that connects the pharynx and…

Q: What happens to the respiratory process in a man going up a hill?

A: Aerobic respiration is a type of cellular respiration, in which the oxygen is consumed as a reactant…

Q: The bronchial arteries nourish the tracheobronchial tree down to, and including, which of the…

A: The respiratory system is one of the major organ systems that is divided into upper and lower…

Q: When a patient has chronic bronchitis, what happens to the alveolar capillary junction?

A: Step 1 Chronic bronchitis, a type of chronic obstructive pulmonary disease or COPD, which is a group…

Q: What happens to the pressure in the lungs when structure F contracts? C D B E F

A: The answer is given below.

Q: Describe the impact narrowing or widening the passages of the airway would have on gas exchange.

A: The lungs are organs of the body that helps in the exchange of gases (oxygen, carbon dioxide)…

Q: The major function of the alveoli is to Select one: O a. moisten the air O b. filter dust and…

A: Alveoli are tiny air sacs present in the lungs which appears as a bunch of grapes. These are also…

Q: During expiration, the intra-alveolar pressure isa. lower than the pleural pressure.b. greater than…

A: Intra-alveolar pressure: Intra-alveolar pressure is the pressure that is occupied inside the alveoli…

Q: Even people in “good shape” may have trouble breathing at highaltitudes. Explain how this can…

A: The number of gas molecules in the air decreases as altitude rises, making the air less dense than…

Q: The great alveolar cells secrete aphospholipid–protein mixture called

A: Step 1 Each lung has about 300 million alveoli. Alveoli constitute the functional units of the…

Q: How would paralysis of the diaphragm alter inspiration? a. It would prevent contraction of the…

A: A big muscle found beneath the heart and lungs. This is helpful to breathe. During inhaling the…

Q: The lung segment called the superior lingula is found in theA. left lung, lower division of the…

A: Respiration is a biochemical process of oxidation of organic compounds in an orderly manner for the…

Q: In an infant born prematurely, surfactant production may have not been adequate to maintain alveoli…

A: Lungs are the respiratory organs which receive oxygen from the environment and supply the oxygen to…

Q: Hyaline cartilage is found in all of the following structures except the a. trachea. b. larynx. c.…

A: Cartilage is the solid, pliable, connective tissue that resists compression in the body. There are…

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: A smoker develops damage to several alveoli that thencan no longer function. How does this affect…

A: Alveoli are the tiny air-sac like structure present at the end of each bronchus in the lungs. These…

Q: *. The muscles of the larynx are innervated by the recurrent laryngeal nerve EXCEPT which of the…

A: Answer-- correct option is (c) Cricothyroid

Q: A. lumen of air sacs 2. B. pulmonary venule C. pulmonary arteriole 4. D. alveoli 5. E. terminal…

A: Given diagram is of alveoli.Alveoli are the site of gaseous exchange. They are present at the end of…

Q: Fill in the boxes with the appropriate words to complete the process of gas exchange within the…

A: a. capillary b. Oxygen c. Carbon di oxide d. alveoli e. Red Blood cells

Q: Select one: O a. right primary bronchus O b. alveoli O c. left primary bronchus O d. bronchiole O e.…

A: Diagram 1... In lungs,  the trachea terminally expands or elongates into two branches and these grow…

Q: Describe the adaptation of the alveoli.

A: During the act of inhaling in and exhaling out, the alveoli are where the lungs and blood…