ARTICLES

Bulk flow is a movement of molecules from an area of high pressure to an area of low pressure. In cell biology, it refers to the transport of fluids or electrolytes between cells through openings, or pores, between the c...

www.reference.com/science/bulk-flow-b9a7c488e574d67f

Wind is caused by a pressure difference in the atmosphere, resulting in air moving from an area of high pressure to low pressure. The air movement is felt as wind. Pressure differences are caused by areas in the atmosphe...

www.reference.com/article/wind-blow-4c33a5c104c88d25

Diffusion is the action of molecules moving from an area of high concentration to an area of lower concentration. It is caused by kinetic energy.

www.reference.com/science/diffusion-science-48d708c07e86710e

SIMILAR ARTICLES

Non-vascular plants excrete excess gases produced by cellular respiration and photosynthesis through diffusion, the movement of molecules from a concentrated area to an area of low concentration. Mosses and algae excrete...

www.reference.com/article/non-vascular-plants-excrete-fd893ffec9f7c6c0

The two units of air pressure used in meteorology are low pressure and high pressure. These two units of barometric pressure have a large influence with the weather on Earth.

www.reference.com/article/two-units-air-pressure-used-weather-reports-926ce9d9a1795b97

Whether it's a bathtub draining or a spinning tornado, vortexes are caused by downdrafts that form when high pressure and low pressure interact. The conflict results in the creation of a swirling suction that, in the cas...

www.reference.com/article/vortex-form-3cae07ea0f9657af

A thermal expansion valve in refrigeration or air conditioning systems uses a temperature sensing bulb to open a valve, allowing liquefied refrigerant to move from the high pressure side of the system to the low pressure...

www.reference.com/world-view/thermostatic-expansion-valve-work-e7242d788b577a64