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- 8)After blood is “used” by cells, in other words they’ve taken the oxygen, where does it go? Select one: a. Back to the lungs for more oxygen b. Back to the heart and then on to the lungs for more oxygen c. Back to the heart to return to the body for more oxygen d. Back to the capillary beds for more oxygen e. Back to the brain, where the oxygen level is monitoredSome patients with severe emphysema have constant high levels of carbon dioxide because of inadequate ventilation. The central nervous system breathing center in these patients becomes insensitive to carbon dioxide and more dependent on the level of oxygen, which is low. These patients are said to have “oxygen-dependent respiratory drive". What might happen if you give such a person high levels of supplemental oxygen? Essay Toolbar navigation BIU S > > > !!!What causes air to enter human lungs? The contraction of the diaphragm increases the volume of the lungs, decreasing the pressure relative to the air outside the body. Smooth muscle in the trachea guides the flow of air into the lungs. Air diffuses into the lungs due to the decreased O2 content relative to the air outside our body. The cilia in the trachea guide the flow of air into the lungs. The decreased concentration of O2 in the lungs decreases the density of that air and denser air outside the body "sinks" into the lungs.
- Does oxygen diffuse into the blood through human skin? Select one: a. No b. YesCharles's Law Balloons which have been inflated inside a cool building expands when it is carried to a warmer area like the outdoors. This is why we often see balloons just bursting even when nobody is near it. How about in the human lungs?1. What term best describes the exchange of oxygen and carbon dioxide at the interface between the systemic capillaries and the peripheral tissues? Group of answer choices Cellular respiration Ventilation Internal respiration External respiration 2. What is the reason why blood returning to the heart is deoxygenated? Group of answer choices Because the vena cavae soak oxygen out of the blood plasma Because the left and right lungs have used up its oxygen before supplying the blood back to the heart Because the oxygen is placed into hemoglobin and thus taken away from the blood Because the tissues of the body have used up most of the oxygen
- Mountain climbers often use the expression “thin air” to describe atmospheric conditions at high elevation. For example Jon Krakauer’s book Into Thin Air is about a deadly climbing expedition to Mount Everest. What does it mean to say the air gets “thinner” as you climb upward? Explain the reason why the air gets “thinner” with increasing altitude. Briefly explain why it becomes difficult to breathe in “thin” air. Your answer should include something about the human physiology of breathing and why it is more difficult when the air is "thinner."How does oxygen get from the air in your lungs into your bloodstream?In a freak accident a horse pipe blew exhaust gasses back into a closed vehicle and after a few hours two people were found inside.The two individuals were in a coma and were rushed to a hospital 1.Name one competitor of oxygen from the above 2.what are the reasons for the subtance in number 1 to be regarded as a competitor of oxygen and it will make a difference if oxygen is given to the person
- 59:53 Distinguish between inspiration and expiration by classifying the following choices. One or more choices can be used twice. Labels Air moves through a series of cavities, tubes, and openings Also known as inhalation Also known as exhalation Air moves from the lungs to the Reset All Inspiration (1/2) Expiration (2/2)Hello, May I get help on this question very soon please? I do not understand it. Question: You're talking to one of your grandparents on the phone, and they are telling you about some really neat things they just learned about the lungs on a documentary. Specifically, they are telling you about this really cool feedback loop where lower in CO2 in the blood in near skeletal muscles than usual to leads your brain to trigger a whole bunch of responses in how you breathe. They mention about how your medulla tells your systemic arterioles to constrict, for your external intercostals to contract less, and your lung muscles to contract less. You tell them how much you love to hear that they are learning about the respiratory system, but you gently note that the documentary must have got one thing wrong. The documentary was incorrect because (see image)88) During expiration, the diaphragm ________________________ Group of answer choices Contracts downward Relaxes downward Relaxes upward Contracts upward 89) The exchange of gases between the blood and systemic tissues is called ________________________ Group of answer choices Cellular Respiration Internal Respiration External Respiration Metabolism 90) There are 4 phases to hemostasis. Group of answer choices True False 91) Erythropoietin is released by the kidney as a result of detection high levels of oxygen in the blood. Group of answer choices False True