Animals, plants and many other living organisms inhale oxygen to "burn" (oxidize) compounds like sugar into CO 2 and water—a process during which the energy-rich molecule ATP is produced. Cells ...

Respiration is the physiological process through which oxygen in the environment can be exchanged with carbon dioxide from an organism. This process requires specialized organs such as the lungs or ...

Plants and trees may seem pretty passive, but behind the scenes, their cells are working hard to put on a magic show. In this episode of Crash Course Botany, we’ll explore how the processes of ...