[BIO]negative pressure

[ippie]

Advertisement - Members don't see this ad

Negative pressure breathing is resulted from
contraction of the diaphragm and
incompressibility of intra-pleural fluid

I understand the first one, but I don't know about the second one (incompressibility of intra-pleural fluid)
This is from Achiever test #2

 

[userah]

haha do a search. i asked this a while back. heading should be bio/chem. something along those lines