Breathing is required for cellular respiration. use the reactants, products, and stages of cellular respiration to explain why breathing is required

The intake of oxygen and exhale of carbon dioxide is called breathing. The breakdown of a substrate molecule to obtain the energy is called respiration.

The reactant used in respiration are:-

The products in respiration are different in aerobic and anaerobic respiration.

The product in aerobic respiration is:-

The product in anaerobic respiration is:

To oxidize the substrate the breathing process is essential for respiration.

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Cellular respiration is a life-sustaining process.

Explanation:

It is the process of breaking down of glucose with the help of oxygen to form AtP (adenosine triphosphate) along with the production of carbon dioxide and water.

The steps of cellular respiration are:

In the process of breaking down of glucose some ATP is produced. Further more ATP is produced in the second process called oxidative phosphorylation. This takes place with the electron transport chain. The electron carriers are named as NAD+ and FAD. They bind with the electrons to form NADH and FADH2.

Glycolysis leads to the formation of 2 pyruvate molecules. Each pyruvate is then used to produced NADH along with acetyl CoA, which is known as pyruvate oxidation. The acetyl CoA generated is used in the production of ATP NADH and FADH2.

The last step is called oxidative phosphorylation in which NADH and FADH2 transfer electrons to the transport chain leading the way in creating ATP which is energy for the cellular and body functions. This whole process starts with the help of oxygen. The supple of oxygen is through breathing, this is why breathing is required.

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