What is the significance of the two membranes which surround the lungs?  Between these membranes lies a cavity which is filled with fluid.  What is the purpose of these membranes and the fluid filled cavity?

Q: 1)How inflammation of the irritated airway would restrict airflow? 2)Explain how smooth muscle spasm…

A: Inflammation is defined as a process of fighting with infections by our immune system to heal injury…

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

A: Alveoli are small sac like structure which are thin walled and ballon shaped structure which helps…

Q: Several decades ago, removal of the carotid bodies was tried as a treatment for asthma. It was…

A: The human body possesses many chemo-sensor or chemo-receptor cells, usually present in the…

Q: How would you justify the statement “The bronchioles are to the respiratory system what the…

A: In the respiratory system, bronchioles supply air to the lungs for gaseous exchange. In the…

Q: Why does the lung only have 5 lobes?

A: Respiratory system  The respiratory system humans consist of the nose, pharynx, trachea, bronchi and…

Q: During ventilation, where does O2 come from and where is it going? Name the major structures that it…

A: Respiration broadly involves two processes the first one is breathing where oxygen is taken in an…

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: 1)What is the anatomical reason that you are unable to breathe for a limited period of time once you…

A: Answer 1: - The trachea (wind pipe)  has a structure on the proximal end of it, known as epiglottis.…

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: 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: Why do fish suffocate when taken out of the water and placed in air, whereas mammals suffocate if…

A: Fish and other aquatic organisms use gills for gaseous exchange. But mammals and birds uses lungs as…

Q: What are the pressures in the pulmonary veins, pulmonary capillaries, systemic capillaries and…

A: Respiration is one of the major process of the human body that aids in exchange of air/gases between…

Q: Particulate contamination of the alveoli can result in serious respiratory disease. What three…

A: The respiratory tract can be defined as the organ system of the body that is accountable for…

Q: In pneumonia, fluid accumulates in the alveoli of the lungs. How would this accumulation affect…

A: Vital capacity (VC) is the greatest measure of air an individual can remove from the lungs after a…

Q: The lungs perform a variety of which functions?

A: Lungs are the primary respiratory organ for pulmonary respiration. Lungs are supplied with air…

Q: Why is swallowing dominant to respiration in normal individuals?

A: The pathways for the air and food cross in the pharynx. In breathing, the air may flow through…

Q: What is the name of the tiny sacs in the lungs where the lungs where the gas exchange occurs?

A: In lungs, there are tiny air sacs which are present at the end of the bronchioles (tiny branches of…

Q: Name the vessels (in the correct sequence) that CO2 travels in during transport. Describe what…

A: Respiration can be described as the process of movement of oxygen-rich air into the cells of the…

Q: (a) In humans, is there one pleural cavity surrounding both lungs or two separate pleural cavities,…

A: The lungs are the major organs of the respiratory system located on either side of the lungs under…

Q: What is the respiratory unit made up of?

A: In mammals, the respiratory tract or unit is a subdivision of the respiratory system involved in the…

Q: Human Lung Describe how the histological structure of the lung relates to its function as a site…

A: Human lung - It is a pair of spongy organ which is air filled and is located on either side of…

Q: Why lungs tend to collapse?

A: The lungs, or respiratory organs, are a pair of cone-shaped organs located in the thoracic cavity…

Q: A father calls in to state that his two-year-old daughter has gotten into the medicine cabinet and…

A: Xanax tablet also called as Alprazolam. it mainly used to treat anxiety disorder. It should not be…

Q: How is the anatomy of the alveoli and pulmonary capillaries an example of the general principle of…

A: The pair of lungs constitute the main respiratory organ of the body. During inhalation, the lungs…

Q: In the respiratory system of humans, there are two zones, conducting and exchange. (a) Name all the…

A: The respiratory tract can be defined as the organ system of the body that is accountable for…

Q: How does the concept of partial pressure explain the diffusion of oxygen into our blood stream?  Why…

A: The partial pressure of oxygen, otherwise called PaO2, is an estimation of oxygen pressure in…

Q: Why is breathing through the nasal cavity more desirable than breathing through the mouth?

A: Respiration is a process in which the exchange of gases occurs. It is followed through the…

Q: Carbon dioxide in the respiratory system will diffuse from... a.) the capillary to the alveolus b.)…

A: The respiratory (gaseous exchange) system is an organ system that helps an individual or organism to…