gas exchange

Scientific  

1. The diffusion of gases from an area of higher concentration to an area of lower concentration, especially the exchange of oxygen and carbon dioxide between an organism and its environment. In plants, gas exchange takes place during photosynthesis. In animals, gases are exchanged during respiration.

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Example Sentences

Leaf Gas Exchange Measurement Highly sensitive instruments track exactly how much CO2 the leaf absorbs and how much water vapor it releases.

From Science Daily

Chilling a washed egg reduces that risk, because low temperatures slow down gas exchange between air and egg.

From Slate

Eventually, membrane or no, there will be some gas exchange, causing the egg white to become more watery and leak into the yolk, ultimately breaking the yolk.

From Slate

“If you imagine that lots of organic matter is leaving the surface waters and sinking, this is effectively removing carbon from the surface and moving it to deeper water. Between the surface waters and the atmosphere, air-sea gas exchange occurs,” Crichton told Salon.

From Salon

In pulmonary gas exchange, oxygen moves from the lungs to the bloodstream, while carbon dioxide moves from the bloodstream to the lungs.

From Science Daily