Respiration is not the same as breathing, and is a chemical process which occurs in all of your cells. Gas exchange is a process that involves the swapping of gases that occurs at exchange ...

The cells in the body need oxygen to release energy ... These three features are particularly important to our lungs for efficient gas exchange. Most of them also apply to other exchange surfaces ...

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Gas exchange between the plant and the atmosphere takes place through the stomata, which consist in two bean-shaped guard cells surrounding a pore. (a) Malate and Cl − efflux from the guard ...