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Medicine, 05.05.2020 14:35 cragajjar2

The table shows that the pressure in the middle ear is less than 1 mmHg. Note that the pressure of 1 mmHg is equal to 133.3 Pa. It appears that the normal pressure in the middle ear can vary between 500 Pa and -2000 Pa.
Explain:
a) How is it possible to have negative pressure in the middle ear?
b) How the pressure values in the middle ear (between 500 Pa and -2000 Pa) are compatible with the functioning of the middle ear.


The table shows that the pressure in the middle ear is less than 1 mmHg. Note that the pressure of 1

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