When someone is standing, gravity stretches the bottom of the lung down toward the floor to a greater extent than the top of the lung. What implication could this have on the flow of air in the lungs? Where does gas exchange occur in the lungs?

Q: Patients who do not breathe independently are usually placed on ventilators to breathe for them.…

A: Nursing care in the field of clinical practice of administration of a drug, patient counseling, and…

Q: How are the lungs designed in human beings to maximize the area for exchange of gases?

A: Lungs which are part of respiratory system helps to provide enough supply of oxygen to the different…

Q: What happens to the volume inside our lungs when we inhale/exhale?

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

Q: are the basic differences between pulmonary ventilation

A: The gas exchange takes place through the respiratory system. The oxygen is taken and carbon dioxide…

Q: Why does human speech typically take place during the expiratory phase of respiration? Consider the…

A: What is expiratory phase of respiration??? The expiratory phase of respiration is the stage of…

Q: When a woman is very close to delivering a baby, she may hyperventilate. Breathing into a paper bag…

A: Women hyperventilate and over-breathing more frequently compared to men. This occurs when a woman is…

Q: What drives the movement of gases during breathing?

A: Human anatomy is the branch of science that deals with the study of the form and function of organs…

Q: You watch a live individual respiring (that is, obtaining oxygen from its environment). What…

A: When we hear the word respire, we think of breathing. When we breathe, with each inhale we are…

Q: If alveolar ventilation is 4200 mL/min, respiratory frequency is 12 breaths per minute, and tidal…

A: Respiratory system is a body system which mainly concerned with removal of carbon dioxide gas and…

Q: (a) Differentiate clearly between minute ventilation and alveolar ventilation rate. (b) Which…

A: Minute ventilation is the total amount of gas flowing into and out of the respiratory tract in one…

Q: What is the role of partial pressure in internal and external respiration?

A: External respiration is the process of gaseous exchange between the respiratory membranes in the…

Q: what is the difference between internal/external respiration and gas exhange

A: The process through which the body exchanges gases with the environment is known as respiration. The…

Q: Why is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?

A: In the lungs, the exchange of gases is a crucial process for sustaining life. When we breathe, air…

Q: Callisto is hiding from Xena under a pile of leaves. She is worried that if she takes slow, deep…

A: Introduction :- The amount of air that passes in and out of the lungs during each respiratory cycle…

Q: inhale, does air flow into the lungs, causing them to expand? Or do the lungs expand, causing air to…

A: The breathing is also called as pulmonary ventilation. It involves two processes- the flow of air…

Q: Why does lowering the surface tension makes it easier for the alveoli to expand during inflation?

A: Surface tension of a liquid is the force of cohesion of molecules in the liquid. It is the surface…

Q: explain how the structure of the alveoli facilitates gas exchange?

A: In vertebrates, the lungs branch broadly, and their whole volume is loaded up with a great many air…

Q: Your friend thinks that while he is inhaling, the pressure in his lungs increases because they are…

A: Inhalation It is the process of breathing in. Though this process the air enters the lungs and…

Q: Between breaths at the end of an unforced expiration, in whatdirections do the lungs and chest wall…

A: Breathing is the process in which air moves into and out of the lungs. It has two phases that are…

Q: What is the significance of the two membranes which surround the lungs?  Between these membranes…

A: Lungs are a portion of the respiratory system, a community of organs and tissues that serve together…

Q: Which of the following respiratory structures are supported by cartilage: nose, larynx, trachea,…

A: Cartilage can be described as smooth and elastic tissue that is found in ends of long bones in…

Q: You need to examine the internal anatomy of both lungs at the same time but can make only one cut.…

A: Anatomy uses many terms to describe various parts of the body and their position. This phenomenon is…

Q: Air moves into the alveoli as a result of the: (A)Decreased pressure in the chest cavity (B)…

A: Introduction Inspiration/ inhalation is the process when the air in the atmosphere get in to the…

Q: When individuals are hyperventilating, they are told to breathe into a paper bag or into their…

A: The body of humans consists of a number of systems that work together to maintain the homeostasis of…

Q: When does the airway pressure decrease from the alveoli to the atmosphere?

A: Ventilation is the process which refers to the circulation of replacement of air or gas in a space.…

Q: explain the significance of anatomical dead space toalveolar ventilation;

A: The human respiratory tract consists of the following parts: nasal cavity, pharynx, larynx, trachea,…

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: Atmospheric pressure is less than Sam's alveolar pressure. Which of the following is TRUE? Sam's…

A: Alveolar pressure is the pressure of the air that is present within the alveoli of the lung.…

Q: Why does the alveolar air contain more carbon dioxide and less oxygen than does atmospheric air?

A: Alveoli are the endpoint of lungs and exchange of oxygen from air to blood and carbon dioxide from…

Q: Which two organ systems maintain homeostasis by dictating other organ systems? Choose two. a. immune…

A: Homeostasis refers to the ability of the body to maintain steady and balanced internal circumstances…

Q: How does a pneumothorax affect lung volume and alveolar pressure when inspiratory muscles contract?…

A: A collapsed lung is known as a pneumothorax. It occurs on leakage of air into the space present…

Q: Why is nitrogen gas not exchanged between the alveoli and the blood in the lung capillaries?

A: The objective of this question is to understand why nitrogen gas is not exchanged between the…

Q: Why does the inspiratory muscles prevent the lungs from collapsing?

A: The primary inspiratory muscles are the diaphragm and external intercostals. In order to promote…

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: When you inhale, does your chest expand because yourlungs inflate, or do your lungs inflate because…

A: Multiple organs that perform the same function together form the same organ system. Organs involved…