The main function of the pleural membranes is to _____.
maintain pressure
increase thoracic pressure
remove foreign particles
reduce friction
Pressure on a surface due to a force is reduced if ___ increases.
Are the following statements true or false?
(a) The pressure of air inside an inflated balloon is equal to atmospheric pressure.
(b) Fluids always flow from higher pressure to lower pressure.
(c) If area is reduced, pressure is reduced.
(d) Standing on a cane chair increases the possibility of the cane breaking due to increased pressure.