Respiration is the process by which organisms convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products. It's how cells get the energy they need to function. There are two main types: 1. Aerobic respiration: Uses oxygen and is highly efficient, producing a large amount of ATP. It involves glycolysis, the Krebs cycle, and oxidative phosphorylation. 2. Anaerobic respiration: Occurs without oxygen and produces much less ATP. Examples include fermentation.

What is respiration

April 9, 2026Biology

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Respiration is the process by which organisms convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products. It's how cells get the energy they need to function.

There are two main types:

Aerobic respiration: Uses oxygen and is highly efficient, producing a large amount of ATP. It involves glycolysis, the Krebs cycle, and oxidative phosphorylation.
Anaerobic respiration: Occurs without oxygen and produces much less ATP. Examples include fermentation.

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