How does carbon dioxide exit the bloodstream at its final destination? Why does it move in the direction that it does across the alveolar surface?

Q: A 48-year-old man, who engaged in regular physical exercise, went to see his physician because of…

A: We will answer the first question since the exact one was not specified. Please submit a new…

Q: Chemical and physical properties of gases are important factors in the evolution and physiology of…

A: A complicated system that consists of the heart and lungs, blood arteries, and blood is the…

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 closed  suction in mechanically ventilated patient is less painful compared to open suction ?

A: Pulmonary secretions are mechanically aspirated with a process of suctioning.

Q: John, a healthy twenty-eight year old electrical engineer, was driving home from work one evening…

A: If the altitude rises, the atmospheric pressure decreases (air becomes thinner), because of which…

Q: why do you think the hyaline cartilage rings of the trachea are c -shaped rather than o -shaped?

A: The human body is very complex and contains many different body structures. Each body structure is…

Q: Balloons which have been inflated inside a cool building expands when it is carried to a warmer area…

A: In science, Charles's law is based on the principle that the volume of the gas is equal to the…

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: Oxygen and carbon dioxide diffuse across our respiratory surface into and out of the blood via…

A: In brief, respiration is the process of the exchange of gases within the lungs. During respiration…

Q: Nicotine stimulates both the SA node to increase its firing rate and the myocardium to contract more…

A: The term blood pressure refers to the amount of pressure exerted by the circulating blood on the…

Q: Mary, a strong-willed three-year-old, threatens to hold her breath until she dies if she doesn’t get…

A: Breathing is heavily regulated by the brain,in what is known as respiratory center.The respiratory…

Q: After the right ventricle, how does air make its way to the lungs to be exhaled? 1st picture is…

A: Circulatory system of the body works in order to transport oxygen to the periphery & bring back…

Q: The toxins in cigarette smoke damage the cells of the tissue capillaries and also cause arterioles…

A: The oxygen dissolved in the red blood cells reached the tissues of the body. Oxygen diffuses into…

Q: As mentioned in the chapter, sometimes it is necessary to install a permanent tracheostomy—for…

A: Laryngeal cancer is a rare disease in which malignant cells develop within the larynx or voice box.…

Q: Callisto has managed to escape Xena, and therefore Xena decides to rest for the night in a small…

A: Introduction  Breathing is the process of moving air into and out of the lungs in order to…

Q: What determines whether O2 and CO2 undergo net diffusion into or out of capillaries? Explain.

A: Exchange of gases in lungs between alveolar air and blood of alveolar capillaries is called external…

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: Chilean miners trapped in a poorly ventilated mine shaft likely experienced and elevated heart rate.…

A: Breathing is the process of inhalation and exhalation of gases. We inhale oxygen and exhale carbon…

Q: Describe the pathway carbon dioxide would take between the blood in the capillary and the alveoli.

A: INTRODUCTION The capillaries are small blood vessels found at the walls of alveoli.

Q: Daniel, the swimmer with the fastest time on the college swim team, routinely hyperventilates before…

A: Hyperventilation is a deep breathing or over breathing which may leave us breathless.

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: 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: The pulmonary trunk carries: low-oxygen blood from the lungs to the heart oxygenated blood from the…

A: The left and right lungs contain many air sacs or alveoli that are associated with many blood…

Q: The nature of the sounds produced by percussion (tapping) of a patient’s chest can tell a physician…

A: Blood is a body fluid which is present in humans and other animals. It delivers fundamental…

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: 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: when you breathe in, your diaphragm muscle contracts downward, and rib muscles pull upward causing…

A: Diaphragm and rib muscles are key in the process of respiration. They work together to ensure that…

Q: Explain why the respiratory system has alveoli.

A: The respiratory system of the body is responsible for the process of breathing, i.e., the exchange…

Q: e body. 02 in systemic capillaries enters body cells by simple diffusion, then enters as a metabolic…

A: This passage is talking about the gaseous exchange from the alveoli that is taking in of oxygen and…

Q: Why is the trachea supported by cartilage?

A: The trachea, also known as the windpipe, is a cartilaginous tube that connects the pharynx and…

Q: A child drinks a bottle of lemon juice. Not long thereafter, he begins complaining of having…

A: Breathing difficulty means shortness of breath and may develop due to stress, anxiety or wrong food…

Q: A person with long-term bronchitis has developed polycythemia as a result. What made this happen?…

A: Polycythemia is a condition where the hemoglobin concentration is increased in the blood of a…

Q: At a restaurant, a customer chokes on a piece of food. You put your arms around the person's waist…

A: Heimlich maneuver is also known as abdominal thurst. This procedure is used when someone gets…

Q: Which organ has taken over the function of pulmonary gas exchange? How can you tell? Why is the…

A: Introduction: Pulmonary ventilation (PV) is commonly referred to as breathing. It includes…

Q: Cardiovascular changes that occur during inspiration include decreased

A: The cardiovascular system is a crucial component of the circulatory system in humans (which is often…

Q: If blood passing by a lung has less O2 than inside the lung itself, then the O2 will due to

A: Lungs are important organs in the respiration process and supplying oxygenated blood to the vital…

Q: When a patient has chronic bronchitis, what happens to the alveolar capillary junction?

A: Step 1 Chronic bronchitis, a type of chronic obstructive pulmonary disease or COPD, which is a group…

Q: You are a red blood cell in the Right atrium getting ready to travel through the pulmonary circuit.…

A: A  muscular organ, heart  about a  fist size, placed just backward and slightly left of the…