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In inspiration, intrapulmonary pressure drops 3mm/Hg below atmospheric pressure and air flows into the lungs.

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What is the pressure difference between the external air and pleural cavity when inhalation just begins?

At the start of inhalation, the pressure in the pleural cavity is normally about 756 mmHg, while the external air pressure is about 760 mmHg. This creates a pressure difference of 4 mmHg, causing air to flow into the lungs.


Why heating a can and putting it in water?

Heating a can and then submerging it in water can create a pressure difference between the inside and outside of the can. When the can is rapidly cooled in water, the pressure difference causes the can to collapse due to the external pressure being greater than the internal pressure.


How does the difference in external pressure to internal pressure of the rocket affect it's distance?

The difference between external pressure and internal pressure in a rocket influences its ability to ascend and maintain stability. If the internal pressure is significantly higher than external pressure, the rocket can generate thrust effectively, allowing it to travel greater distances. Conversely, if external pressure exceeds internal pressure, it can result in structural stress or failure, limiting the rocket's range and potentially causing it to descend prematurely. Thus, managing this pressure differential is crucial for optimizing flight performance and distance.


What is the difference between compressible and in-compressible fluids giving examples of the fluids found in human body?

compressible fluid changes its volume when external pressure is applied and in-compressible fluid does not change its volume due to external pressure


How many external intercostal muscles are there?

There are 11 pairs of external intercostal muscles in humans. These muscles are located between the ribs and are involved in expanding the chest cavity during inhalation.

Related Questions

What is the pressure difference between the external air and pleural cavity when inhalation just begins?

At the start of inhalation, the pressure in the pleural cavity is normally about 756 mmHg, while the external air pressure is about 760 mmHg. This creates a pressure difference of 4 mmHg, causing air to flow into the lungs.


What is the pressure between the external air and the pleural cavity when inhalation just begins?

No


What is the difference between external and internal communications?

What is the difference between external and internal communications


What is the difference between external and internal indicator?

what is the difference between the external & internal indicator


What is Difference between internal and external indicators?

what is the difference between the external & internal indicator


Why heating a can and putting it in water?

Heating a can and then submerging it in water can create a pressure difference between the inside and outside of the can. When the can is rapidly cooled in water, the pressure difference causes the can to collapse due to the external pressure being greater than the internal pressure.


What is the difference between compressible and in-compressible fluids giving examples of the fluids found in human body?

compressible fluid changes its volume when external pressure is applied and in-compressible fluid does not change its volume due to external pressure


What is the difference between external and internal stimuli?

internal is in and external is out


What is the difference between stress and pressure?

Stress is a response to external factors that can be emotional or physical, while pressure is the expectation or demand to perform well in a situation. Stress is the feeling of being overwhelmed, while pressure is the external force that pushes someone to achieve a certain goal.


What is the difference between CPAP and BiPap?

The differences are in the way pressure is given and taken from the machine. Cpaps give continuous pressure to the patient, and that remains at the same level when the patient breathes out. Bipap provides different pressures between inhalation and exhalation. See Related Link.


What is the difference between internal and external reproduction?

its internal and then its external. DEERRR


What is the difference between external stress and emotional stress?

External is out side emotional is in