Uhe reason that gas exchange occurs between the capillaries and the alveoli is that, unlike other parts of the respiratory tract, the alveoli have O the enzymes required for movement of O2 O cells that actively transport O2 O extremely thin walls O the highest concentration of hemoglobin

Q: * following is TRUE (ähä 1) Chronic obstruction pulmonary diseases are more common in clinical In…

A: When the lungs are not working properly due to any underlying cause then we considered it as lung…

Q: At altitude there is still 21% Oxygen of a lower barometric pressure, this would decrease the…

A: Answer:  1) First statement is "TRUE" The atmospheric pressure, which is around 760 mmHg at sea…

Q: In fish, gas exchange happens in the where there are lots of O gills, blood capillaries O swim…

A: Water dissolves oxygen and carbon dioxide, and most fishes exchange dissolved oxygen and carbon…

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: pressure is always less than atmospheric. A 55. The pneumotaxic and apneustic areas controlling…

A: 55. In humans, the neural system helps in maintaining and moderating the respiratory rhythm to suit…

Q: What is cause of gas exchange in the tissues throughout our body. Also what is causing the gas…

A: Respiration is the process through which gases from the atmosphere and the body are exchanged.…

Q: uring normal tidal volume breathing, we expend work/energy during A)expiration only B)inspiration…

A: Normal ventilation is an automatic  and effortless inspiratory expansion as well as expiratory…

Q: In human lungs, gas exchange occurs at the______ . a. bronchi c. alveoli b. bronchioles d. pleural…

A: The lungs are pyramid-shaped, paired organs present in the thoracic cavity of the body that are…

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: The “bends” or decompression sickness is a formof air embolism. When scuba or deep sea diversare…

A: The circulatory system in the body includes the blood vessels and heart.

Q: Obstructive pulmonary disorders (e.g. asthma) are characterized by O reduced lung compliance O…

A: Obstructive pulmonary diseases includes conditions that make it hard to inhale and exhale all the…

Q: The glottis is a flap of tissue which closes the epiglottis when you are eating or when food or…

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

Q: نقطة واحه Which of these is incorrect .concerning inspiration Pressure in lungs decreases, and air…

A: In order to provide O2 to tissues and remove CO2 from the body, the processes of inhalation…

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: The diameter of alveoli of an emphysema victim is increased twice of its initial value. Calculate…

A: Introduction Emphysema is a long-term, progressive disease of the lungs that primarily causes…

Q: During exhalatiOn O air moves out of the lungs because there is a higher pressure within the lungs…

A: According to guidelines we have to answer the first question only. so please kindly post the…

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: Air in and out Alveolus Carbon Dioxide Oxygen Capillary Fig 3 Gas Exchange in the Alveolus Source:…

A: The nose (and nasal cavity), throat, trachea, lungs, and diaphragm compose the respiratory system of…

Q: What is the purpose of the cartilage rings in the trachea and bronchi? they allow constant growth of…

A: Lungs are the respiratory organs, which are placed in the pleural sacs of thoracic region. The…

Q: Given: Under normal circumstances the partial pressure of oxygen in air is approximately 160 mmHg.…

A: The diffusion of oxygen across the alveolar membrane depends on the difference in partial pressure…

Q: Air entering the human respiratory system encounters severalstructures. Which of the following lists…

A: The function of the respiratory system is to intake oxygen through inspiration or inhalation and…

Q: The condition emphysema results in loss of elastic recoil of the lung tissue. Would this make…

A: Emphysema is condition of lungs that causes shortness of breath . This happen due to alveoli damage.…

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: At Amman mountains: a. Atmospheric pressure remains the same as the sea level value. O b. PO2…

A: People referred to the change in barometric pressure at actual height as "hypobaric hypoxia." Rather…

Q: What would Joe's respiratory rate most likely be noted as: O Within Reference/Normal Limits O…

A: Often disease side effects or symptoms can be used to diagnose diseases in our body. Proper and…

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: terms of acid/base balance, carbon dioxide represents an in the bodyObstructive respiratory…

A: Carbon Dioxide and  Respiration In humans, CO2 gas is the waste product formed after aspiration. CO2…

Q: The flow rule states that (substances) gases or liquids flow from a region of higher pressure to a…

A: answer given below

Q: O Only (a) and (b) are correcl. 15. The residual volume keeps lungs inflated. is the normal volume…

A: Lung capacity or total lung capacity (TLC) is the volume of air in the lungs upon the maximum effort…

Q: DESCRIPTIONS : F Main air way known as windpipe. Cilia filters the air here. Branches of bronchi.…

A: Main air way known as windpipe -  Trachea D   Cilia filters the air here -  nostrils  B…

Q: Which statement/s is/are TRUE? S1 = Blood arriving in the lungs has a low partial pressure of oxygen…

A: Introduction: In human lungs, the alveoli are where gas exchange takes place. By measuring the…

Q: In smokers, these "branches" in the lungs are often clogged and it results in decreased lung…

A: In an organism's body, each organ has a special function that’s why every organ present in the body…

Q: The purpose of pulmonary ventilation is to: Select one: a. Create pressure gradients between…

A: Pulmonary ventilation is a term that commonly refers to breathing. It involves the entry of air into…

Q: External respiration/gas exchange is O the movement of air through bronchioles. O the movement of…

A: Lungs are the primary organs that are responsible for the respiration of the body.  Other than that…

Q: Both surfactant and lung compliance determine the volume of air an alveoli can hold. Distinguish…

A: Lungs are the major organs that help in gas exchange or respiration. Diseases related to lung…

Q: N.B. CO: a harmful gas contained in the fume of tobacco. Studies showed the effect of (CO) on the…

A: Oxygen gas (O2) is an essential nutrient. Cells need O2 to perform aerobic respiration and produce…

Q: You decide to cure your hiccups by breathing into a paper bag. Assumethat the bag is initially…

A: One breath includes one complete inhalation and one complete exhalation. So breathing rate varies…

Q: The body changes alveolar ventilation rates to maintain proper alveolar gas levels. Which of the…

A: Alveolar Ventilation is defined as the exchange of gases occurring between the alveoli and external…

Q: In which of the following does gas exchange happen? O Nasal passageway Alveoli Nasopharynx O Bronchi…

A: Respiration is the act of breathing in which the air is inhaled inside and exhaled outside of the…

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: 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: 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: Which of this statement is TRUE for pulmonary respiration?a) Exchange of gases between alveoli of…

A: In animals, respiration is the biological process, which results in exchange of gases, oxygen and…

Q: Fetal hemoglobin has a higher affinity for oxygen than mother's hemoglobin due to inability of fetal…

A: Hemoglobin is a conjugated protein with four polypeptide chains. It facilitates the transport of…

Q: Which of the following will stimulate the peripheral chemoreceptors? O Polycythemia O Hypocapnia O…

A: Chemical control of breathing is carried out by chemoreceptors. The chemoreceptors are sensory nerve…

Q: A low partial pressure of oxygen promotes hemoglobinbinding to carbon dioxide. This is an example of…

A: Lungs are the chief organs of the respiratory system, which is found in the thoracic region inside…

Q: Tracing CO2 through the respiratory tract starting with the right ventricle left & right pulmonary…

A: Introduction: Respiration is a biological process during which inhalation of O2 and exhalation of…