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What occurs when the air pressure in the lungs is higher than in the atmosphere?
Wiki User
∙ 14y ago
The air comes out of the lungs.
Wiki User
∙ 14y ago
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When you inhale does pressure decrease inside or increase?
The act of inhaling is to create low pressure in the lungs, causing the air in the atmosphere to rush in as it is moving from a higher pressure (outside in the atmosphere) to the lower pressure (created in the lungs). However the fact that air does move into the lungs means that there is no net change in pressure.
What happens when pressure is lower inside the lungs than outside the lungs?
atmospheric
When intraalveolar pressure exceeds atmospheric pressure what happens?
intrapleural pressure exceeds atmospheric pressure, but lungs don't collapse because intra-alveolar pressure increases, too (4 mmHg pressure gradient stays same)
Why is oxeygen gas removed from the atmosphere and used?
There are many uses of oxygen, from breathing by people with bad lungs or hearts, to operating cutting torches. I thought that commercial oxygen was removed from water, or other plentiful chemical, but not from the atmosphere.
Why is there less oxygen in higher altitudes?
The higher you go the thinner the air gets. If you go to high, you could die from lack of air. > Jet fighters dont have pressurised cabins ( as commercial flights do) 25,000 feet is the crucial point, the lungs are incapable of absorbing oxygen at such low air pressure, a pressure demand mask overcomes this problem.
Breathing occurs because of air pressure differences between the lungs and the?
Atmosphere
When you inhale does pressure decrease inside or increase?
The act of inhaling is to create low pressure in the lungs, causing the air in the atmosphere to rush in as it is moving from a higher pressure (outside in the atmosphere) to the lower pressure (created in the lungs). However the fact that air does move into the lungs means that there is no net change in pressure.
Under what condition does air flow goes in to the lungs?
when pressure inside the lungs is lower then outer atmosphere
What keeps the lungs from collapsing when the airways are open to the atmosphere?
Transpulmonary pressure
How does the action of the external intercostal and diaphragm muscles draw air up your nose?
External intercostal and diaphragm increase the volume of the lungs, this action dicreases the pressure of the lungs. (we know pressure moves from the region of higher region to lower, in this case pressure is high in atmosphere and low in lungs). So air gets drew up in our nose.
What Pressure of the air inside the lungs?
This depends on exhalation or inhalation. If you are exhaling the pressure would be greater inside the lungs than the outside, but if you are inhaling, then the pressure would be greater on the outside than the inside.
How does air moves into and out of the lungs?
As the diaphragm contracts or retracts, the interior pressure of the lungs changes. As this pressure change occurs, the air pressure outside of the body remains unchanged. The resulting lack of pressure equality forces the air in or out of the lungs to maintain an equilibrium in the body pressure.
When the air pressure in the lungs is greater than the air pressure outside the body you?
at higher altitudes the pressure of air is greater in our lungs as compare to the air pressure outside the body
What is the difference of pressure between the atmosphere and pressure in the lungs?
Not much. You create slight changes in pressure when you breathe, but it's almost insignificant.
Why does the lung collapse if intrapleural pressure is not maintain?
Inspiration happens when the pressure inside the lungs is lower than the atmospheric pressure (outside) and air rushes into the lungs. Expiration is when the air inside the lungs is higher than the atmospheric pressure and the air rushes out of the lungs. If the intrapleural pressure (pressure within the pleura of the lungs) isn't maintained then the pressure in the lungs can't differentiate between inspiration and expiration and so the lung collapses.
What occurs as air rushes into the lungs from the environment to equalize air pressure?
Air rushes into your lungs until an equilibrium of pressures is achieved.
Why does air rush into the lungs during the process of breathing?
Air enters the lungs because the pressure in the atmosphere is greater than the pressure in the lungs. Lung pressure is lowered by increasing the volume of the lungs. This is achieved by lowering the diaphragm and raising the rib cage.
