Levels of Organization Image Map
Need a reason for that next candy bar? Cells have to have energy to do all the things that cells do. Of course, the body can get plenty of energy from all sorts of foods besides candy. This lesson explains how cells extract energy from food.
After completing this lesson, students should be able to:
  • Describe the location, structure, and function of "mitochondria", the organelle that captures food energy
  • Distinguish between energy production with oxygen and without oxygen
  • Explain why the breakdown of foods is complicated
  • Summarize why the body needs a constant supply of energy
Cell Image

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