Why are lungs normally stretched even during expiration?

Q: Can you explain the main function of the heart lung machine in hospital?

A: Open heart surgery may be needed to heal the damage in the heart and in the conditions of open-heart…

Q: 4. What typically happens to air pressure as altitude increases?

A: Answer 4. As the altitude increases the air pressure decreases or drops. Since, with the rise in the…

Q: 3. Discuss the different stages of general anesthesia. 4. What is MAC (minimum alveolar…

A: General anesthesia is administered prior to surgical interventions, in order to make the patient…

Q: Explain how the oxygen dissociation curve is related to the properties and function of hemoglobin

A: Introduction: Hemoglobin is a globular protein with four polypeptide chains bonded together. It has…

Q: 14. During an experiment, type II pneumocytes are found to produce a phospholipid-protein mixture…

A: Introduction:- The alveoli forms the lower part of the respiratory tract and helps in the exchange…

Q: 31. Which paired image(s) and drawing(s) of pseudostratified columnar epithelium of the trachea…

A: The trachea is also known as wipe as it is the tube that connects to the lungs and helps in…

Q: 12. Which of the following is the MAIN organ of the Respiratory System? * (4 Points) O Kidneys O…

A: The respiratory system is the network of organs and tissues that help us to breathe.It includes…

Q: 5. What are the waste products of cellular respiration? 6. What is the difference between cellular…

A: Respiration  The process that takes place in the membrane of mitochondria and produce ATP molecules.

Q: 1. Which of the following gasses is needed aerobic respiration? B. carbon dioxide A. carbon C.…

A: According to Bartleby guidelines , we are supposed to attempt first question in case of multiple…

Q: 8. Which of the following measures of pulmonary function best discriminates between an obstructive…

A: Obstructive lung disease: It is a lung disorder which makes the person to difficulty to exhale airin…

Q: 10. Tobacco smoke contains carbon monoxide. What problem does this cause? a. The carbon monoxide…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: III. Drawing Conclusions: Pleura In the following illustration, color the structures as suggested. •…

A: Introduction :- Respiratory system consists of the outside nasal cavity, that leads to the internal…

Q: Given the illustration below, which of the following ‘analogy’ are more likely similar to the image…

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

Q: Explain how oxygen dissociation curve shifts affect oxygen loading in the lungs and unloading at the…

A: Introduction: Hemoglobin is a globular protein with four polypeptide chains bonded together. It has…

Q: 7. How does gas exchange occur between the alveoli and capillaries?

A: Gas exchange occurs in millions of Alveoli in the lungs and surrounding capillaries which envelopes…

Q: 6. Describe typical changes of gas parameters and pH in blood at this type of TPP? 7. List the signs…

A: Myocardial infarction, commonly known as heart attack is a condition caused due to the reduced blood…

Q: Explain the physiological mechanisms which have caused Bertha's respiratory rate to change during…

A: introduction exercise is a phenomenon which causes changes in activity of all systems of our body…

Q: How many chambers does the pig heart have? 12.  How does the size of the pig lungs compare to the…

A: In biology you we deal with many animals and to understand their anatomy you have to dissect those…

Q: Explain countercurrent flow. How does it help make the fish gill the most efficient respiratory…

A: Counter-current flow is can be defined as the two-phase flow regime in which the working fluids flow…

Q: What helps to maintain a concentration gradient between blood and the air in the alveolus?

A: In alveoli the lungs and the blood exchange oxygen and carbon dioxide during the process of…

Q: 11. Which of the following statement is TRUE about oxygen transport? I. Oxygen diffuses down a…

A: Please note that keeping with the policy of the website and in order to provide quality answers, Q…

Q: 4. Why may the neck veins be distended in a patient with tension pneumothorax? 5. Why is hemothorax…

A: 4)  tension pneumothorax means accumulation of air between chest wall and lungs leading to increase…

Q: 1. Trace the pathway of a breath of air from its point of entry to its diffusion in the lungs. Refer…

A: Introduction Air enters into the nasal cavity, then, to the epiglottis, where it is a common entry…

Q: Describe the changes that occur in the histology of the epithelial lining of the respiratory system,…

A: In human physiology, respiration refers to the passage of oxygen from the environment to the cells…

Q: 3. Consider how the shape and size of the body changes during inhalation and exhalation.?

A: Introduction The lungs are enclosed by an invaginated sac. The tissue layer which encloses the lungs…

Q: 2. In the lungs, which one of the following is NOT a barrier to gas exchange between red blood cells…

A: 1.   In the lungs the alveolar cells are not a barrier to gas exchange between red blood cells and…

Q: 15. Given the following structures: 1. larynx 2. nasal cavity Which of the following is the correct…

A: Answer:15 Introduction: The main role of the respiratory system is to transfer the oxygen to the…

Q: 27. . Wny do we need to study the effects of lifestyle in the function of respiratory and…

A: Introduction  All aerobic organism need oxygen to survive. This oxygen can be taken either by skin…

Q: 5. What would be the expected temperature and humidity extreme? 6. Select the respirators you will…

A: 5. Humidity above 50% is usually considered too high, while humidity below 30% is typically too low.…

Q: What is the function of surfactant?

A: Surface tension can be defined as the tendency of liquid surfaces to shrink down to minimum surface…

Q: If you are taking an axillary temperature, where would you place the thermometer

A: Normal human body-temperature is the typical temperature range found in humans. The body temperature…

Q: 6. What affects respiration? Answers may vary!

A: Metabolism is the sum total of all the reactions occur inside a living system.

Q: When the inspiratory neurons of the ventral respiratory group are actvated, impulses travel along…

A: The diaphragm contracts and deflates upon inhalation, while the chest cavity expands. A vacuum is…

Q: 1. Why is it important that the trachea be reinforced with cartilaginous ring? What is the advantage…

A: Human Respiratory System:  The nasal cavity opens into the nasopharynx. At the bottom of the…

Q: 6. Using the diagram to the right, which letter corresponds to the Goblet cell? ******WRITE LETTER…

A: The diagram given is the section of small intestinal lining showing villi. 6.The letter…

Q: 8. With respect to hemoglobin, how do you think carbon monoxide can cause hypoxic (low- oxygen)…

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Q: Why are some divers, swimmers, singers and wind instrument players able hold their breath for so…

A: The answer to this question is practice makes a men perfect. Why I said that because, the breath…

Q: 1. What is the importance of breathing in exercises?

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Explain the four stages of external respiration and identify the gradients (driving force) and…

A: Introduction  External Respiration: The term External Respiration refers to the sequence of events…

Q: 1. Why is it important for hemoglobin to combine with excess H+ ions? 2.  Why does oxygen diffuse…

A: Hemoglobin: a. Hemoglobin is an iron-containing metalloprotein that performs the transport of oxygen…

Q: Explain how a change in carbon dioxide will lead to a change in pH, and how this reaction can affect…

A: CO2 is an important independent determinant of pH and is produced by cellular metabolism or by the…

Q: 1. How is 20-30% of CO2 is transported in the blood? 2. How is 70% of CO2 transported in the blood?…

A: Blood is defined as a constantly circulating fluid that will provide the body with various important…

Q: 3. Many professions (such as doctors and nurses) wear breathing masks while working. Why is it a…

A: Breathing masks can filter out dust particles from the air while inhaling.

Q: How cigarette smoke trouble the aging of lung cells, through oxidative stress, casue COPD…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 1. How is expiration initiated? 2. What is the most important factor controlling the rate and depth…

A: It is initiated by the relaxation of the inspiratory muscles: Diaphragm - which relaxes to return to…

Q: 1. What are the three major types of respiratory structures in vertebrates? 2. Why do avian lungs…

A: Respiration is a type of metabolic activity in which oxygen is utilized and carbon dioxide is…

Q: . Where are the bronchial tubes? What is their function? 2. What is the function of mucus? Why can…

A: Introduction  The respiratory system is a collection of organs and tissues that assist in breathing.…