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How does energy work?

Marjorie Nolan Cohn
Nutrition & Dietetics

The release of energy in the cell occurs through the function of mitochondria in cells. The mitochondrion is a specialized organelle found in most eukaryotic cells (cells that contain a nucleus). The mitochondrion is often referred to the cells power house. It’s essential for human existence; it's involved in the many cell processes that rely on energy for cell growth, cell messaging, aging and replication. Mitochondria are referred to as “food-burning furnaces” in a person’s body. Within a cell’s mitochondria carbohydrate, fat and protein molecules are broken up through the process of metabolism; they lose electrons in a process called oxidation.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.