What is surface tension? Why is surface tension important in the function of the alveoli? What is the function of pulmonary surfactant?

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: Which of the following is where gas exchange occurs? A. alveoli B. trachea C. intercostal muscles…

A: During the process of gaseous exchange, oxygen moves from the lungs to the blood stream and at the…

Q: What accounts for the spongy texture of the lungs? What is the functional significance of the rich…

A: Question - 1   What accounts for the spongy texture of the lungs? Question - 2  What is the…

Q: Is carbon dioxide transported from the bloodstream to the alveoli or from the alveoli to the…

A: A lung's functional components are known as alveoli. These tiny air sacs are located in the lungs…

Q: A person in yoga class is encouraged to take long, slow, deep breaths. Would this person have…

A: Answer- Alveolar ventelation is the exchange of gases of both oxygen and carbon dioxide between…

Q: How is the structure of the alveoli adapted for diffusion?

A: The respiratory bronchioles open into alveolar ducts which terminate into an extended passage known…

Q: Explain how each of the following factors affects pulmonary ventilation: airway resistance,…

A: Breathing(pulmonary ventilation) is described as the movement of air between the atmosphere and the…

Q: Differentiate between alveolar and systemic gas exchange.

A: Breathing is described as the movement of air between the atmosphere and the lung alveoli. It…

Q: What are the side effects of The DPPC molecule at the alveolar gas-liquid interface?

A: Pulmonary surfactant is a complex and important substance produced and stored in alveolar type II…

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: What distinguishes lung capacities, as a group, from lung volumes?

A: Air which is present in the lungs is measured as lung volumes and lung capacities.

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: What is the difference between tidal volume and vital capacity?What does each measurement indicate…

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

Q: Describe the anatomical structure and function of the alveolar-capillary membrane. What are the 3…

A: The tongue is used to articulate alveolar consonants against or close to the superior alveolar…

Q: What are the components of the respiratory membrane? Include 4

A: The part of the lungs that actively participates in the gaseous exchange with the blood is the…

Q: Why do vital capacity, alveolar ventilation, and the diffusion ofgases across the respiratory…

A: Alveoli an important part of the respiratory system. Each lung contains about 300 million alveoli…

Q: What are the effects of Various Conditions on Alveolar Gas Pressures?

A: In physiology, the alveolar pressure is defined as in inspiration period the lungs expanded results…

Q: The pressure inside the alveoli is less than the atmosphenic pressure

A: The air around you has weight, and it presses against everything it touches. That pressure is called…

Q: What are the differences between the conducting zone vs the respiratory zone?

A: The major respiratory structures span the nasal cavity to the diaphragm. Functionally, the…

Q: What is the primary mechanism for control over breathing in order to protect blood from oxygenation?…

A: BREATHING is the process in which the air moves into the lungs from outside the atmosphere. a…

Q: Why is it important for the body to assure that gas exchange (diffusion) is efficient in the…

A: The breathing of oxygen into the body and the expulsion of carbon dioxide from the body through the…

Q: What is MAC (Minimum Alveolar Concentration)? Explain its importances.

A: Anesthesia refers to the administration of the drug to avoid pain or sensation during a surgery. The…

Q: How is respiration rate controlled by peripheral and central chemoreceptors?

A: Respiration includes breathing and cellular respiration.

Q: What are normal values for intrapleural pressure, alveolar pressure, and transpulmonary pressure at…

A: Expiration is also known as exhalation, and it is that mechanism in which air comes out from the…

Q: If there are 3x10^8 alveoli in a lung with a functional residual capacity of 2.5 liters, calculate…

A: Functional residual capacity of lungs means the amount of air which is left in the lungs even after…

Q: How does alveolicapillary membrane function in ventilation and perfusion?

A: Alveolicapillary membrane is the functional respiratory membrane .  The Blood-air- barrier or…

Q: How does the Ventilation-Perfusion Ratio affect the Alveolar Gases?

A: The phenomenon of gas exchange occurs in the lungs ,precisely in the alveoli, between alveolar air…

Q: How does the circulatory system maintain a constant flow of gas exchange (diffusion) across the…

A: Blood arteries that convey blood away from and towards the heart make up the circulatory system.…

Q: Explain the phrase, “breathing by using negative pressure” ( How do we breath using the process of…

A: BASIC INFORMATION  BREATHING  the movement of the air from outside the environment to inside our…

Q: How can the depth of breathing be measured accurately?

A: Breathing, also known as ventilation refers to the process of moving the air in and out of the lungs…

Q: list the strucutures in the respiratory pathway from where air enters the nares to the alveoli

A: Respiratory system in human body can be categorized to respiratory tract and lungs. Respiration is a…

Q: As the diameters of the respiratory airways decrease, which of the following is observed?

A: Every cellular system works so efficiently because they have a back proof plan if anything goes…

Q: trace the flow of air beginning with the air in the atmosphere and ending with the alveoli

A: Breathing occurs in two steps- 1. Inspiration- In this method we take air inside the body. 2.…

Q: Does carbon dioxide move from the blood to the alveoli or from the alveoli to the blood and Why does…

A: Alveoli are the functional units of the lungs and refers to tiny air sacs present in the lungs,…

Q: What feature of alveoli that helps in efficient gas exchange?

A: Alveoli are tiny cup-like hollow structures present at the end of the bronchial tubes throughout the…