Question

how oxygen play role in respiration​

Answer 1

Defining Cellular Respiration

Take a deep breath in and gently exhale. Every day, all day and all night, our lungs inhale and exhale air. Although calming, the goal of this process is to bring oxygen into the body. But ,why do we really need oxygen? Most students say to breathe, but this isn't quite accurate. We breathe to get oxygen, not the other way around. As it turns out, oxygen is the essential ingredient for making energy in a process called cellular respiration.

Cellular respiration is the process cells use to make energy. Our body cells need oxygen to do this process, although other organisms, like yeast or bacteria, don't always need it. They have other ways of making energy. But since the focus of this particular lesson is on the role of oxygen, we'll stick with animal cells, like the ones in our body.

Answer 2

Cellular respiration is the process cells used to make energy...Cells in our body combine glucose and oxygen to make APT and carbon dioxide. Cellular respiration starts with glycolsis where glocose enters the cell is converted to pyruvate and makes a few APT and NADH...

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