What are the physical principles of the respiratory system
Both respiration and breathing are essentially physical processes. Air and/or various gases are moved from one place to another. Their movement is because of differences in their relative pressures from one space to another.
FAQ Pressure Gradient:
Consider a situation in which there are two separate but connected spaces. If the concentration or pressure of that substance is greater in one space than the other, then there is a pressure gradient for that substance. As a result, the substance will move from the area of higher pressure to the area of lower pressure.
FAQ Boyle’s Law:
Assume that we have a container and we can change the volume of the container without allowing a gas to escape. Boyle's law tells us that if we increase the volume, the pressure inside will decrease. Likewise, if we decrease the volume, the pressure inside will increase.
FAQ Pascal's Law:
If a closed container is filled with a fluid, a pressure applied to the fluid will produce an equal pressure at each and every point on the inner surface.
FAQ Surface Area:
Most phenomena in breathing and respiration take place at one surface or another. As surface area increases, more gases can be exchanged or treated.
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