1. What is the significance of the alveoli in the respiration of toad/frog

Q: At rest, expiration is a(n) ________ process that involves ________. Group of answer choices active…

A: Respiration is the biological process that results in exchange of gas between the cells of the…

Q: Explain what caused the trend that you observed when you plotted duration of voluntary apnea as a…

A: Apnea is a condition of stopped breathing that is marked by no movement of the respiratory muscles…

Q: The anterior air sacs would always have a higher po2 than the posterior air sacs. Anterior. air sacs…

A: The respiratory system of birds transports oxygen from the atmosphere to the tissues while also…

Q: The conducting zone in the respiratory system includes all of the following structures EXCEP

A:

Q: The flow of air into and out of the lungs depends on changing the size of the When it increases in…

A: Lungs are the organs that play a vital role in our respiratory system. It is the organ that occurs…

Q: to enhance lung expansion is a. Trendelnburg postion b. Fowler's postion c. flat position d. Reverse…

A: During hospitalization, preoperatively and postoperatively, various positions are considered during…

Q: Some inhaled air does not participate in gas exchange because it fills the _____ of the respiratory…

A: Dead space is the amount of air that is inhaled but remains in either conducting airways or alveoli…

Q: Which part of the airway has the greatest amount of smooth muscle?   A. Trachea   B. Primary…

A: Lungs are part of the lower respiratory tract and provide the respiratory surface for gaseous…

Q: Diffusion of gases occurs in the alveolar region only and not in the other parts of respiratory…

A: Each alveolus is composed of a thin layer of squamous epithelial cells that are highly permeable and…

Q: A full complement of mature alveoli are present by________.a. early childhood, around 8 years of…

A: Introduction: Alveoli can be defined as a tiny sac-like structure filled with air, found is lungs.…

Q: What is the importance of surfactant in the lungs? O it reduces the surface tension of water in the…

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

Q: During a normal exhalation, the1. intra-alveolar pressure is greater than the atmospheric…

A: Exhalation or expiration is a process by which air is breathed out from the lungs. Normal expiration…

Q: Fill in the blank:  When the diaphragm contracts, the size of the thoracic cavity…

A: Diaphragm is a dome-shaped muscular membrane which separates thoracic cavity from the abdominal…

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: 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: Gas exchange occurs in which part of the respiratory system? Select ALL correct answers: O Alveoli…

A: The part/parts of the respiratory where gas exchange occurs is described in details in step 2.

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: Describe one functional difference and one structural difference between veins and arteries

A: Arteries convey oxygenated blood from the heart, while veins convey oxygen-drained blood back to the…

Q: why must our lungs return to not collapse? list factors needed to enable it to be possible.

A: Answer: BREATHING =It is the process of exchanging gases from environment to lungs and vice versa.…

Q: Watch this video (http://openstaxcollege.org/l/spirometers) to learn more about lung volumes…

A: The respiratory system includes those organs that help to exchange gases in plants and animals. It…

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: Inspiration occurs when: Select an answer and submit. For keyboard navigation, use the upidown arrow…

A: Inspiration occurs inside the lungs and the exchange of gaseous matter happens when atmospheric…

Q: A pneumothorax occurs when air gets into the pleural cavity. Which of the following would you expect…

A: The lungs are covered by a membrane called the pleural membrane. It consists of two layers - the…

Q: Fill in the space with the appropriate word from the word-bank below; causing During inhalation, the…

A: Inhalation is the process by which we take in oxygen-rich air. Exhalation is the process by which we…

Q: Locate the bronchial tree structures on a lung model

A: The respiratory system is one of the organ systems that is concerned with the exchange of gases…

Q: exchange of gases takes place in the alveoli of the lungs.

A: Air enters the body through the mouth or nose and quickly moves to the pharynx or throat. From there…

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: A hardcore smoker can easily suffer from a prolonged cough. Explain how this condition affects the…

A: Smoking is injurious to health because it causes the problems with respiratory system including our…

Q: The rate breathing is controlled by the ________?     A. ventral respiratory group   B. dorsal…

A: Breathing is a physical process of inhaling oxygen and exhaling carbon dioxide. Respiration is 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: Select the correct statement about bronchi? O A. all answers are wrong O B. Bronchioles branch to…

A: Thr trachea branches differentiate into 2 primary bronchii then this give rise to secondary as well…

Q: Explain the specific role of the human diaphragm in filling the lungs with air during inspiration…

A: The diaphragm is a C shaped structure of skeletal muscle which is responsible for the separation of…

Q: Now, place the structures in order, starting at the top with the first structure air passes through…

A: The respiratory system in our body has a vital role in keeping our body oxygenated. Any fault or…

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: Moving to another question will save this response. Question 28 Which of the below would have the…

A: Answer-- venous blood

Q: Alveoli surrounded by blood so that O, can diffuse from the alveolus into the red blood cells and…

A: The main function of respiratory system is to take in oxygen and eliminate carbon dioxide. Alveoli…

Q: what are the advantages of having millions of alveoli rather than having simple balloon like lungs

A: One of the most important organs of the body is the Lungs that helps an individual to respire and…

Q: Which one of the following is a possibility for most of us in regard to breathing, by making a…

A: Breathing is the process of movement of air into the lungs from exterior or out of lungs to…

Q: A section of the lung that receives its own tertiarybronchus is called the ________.a.…

A: The respiratory system is known to contain several components but the most important organ is the…

Q: What are some major differences you see in the image between the normal lung and popcorn lung.

A: In this question, we have to find the major difference between the normal lungs and popcorn lungs.

Q: why must the lungs be able to return being normal non deflated shape. list the factors that enable…

A: Inner wall of the lungs is lined by numerous alveoli. It lacks any cartilage or smooth muscles. The…

Q: When we think of breathing, we seem to only think about inhaling and exhaling air in and out of our…

A: Breathing helps in  intake of oxygen from the environment into the body through inspiration. With in…