What Is Metabolism?

Here you will learn about cellular metabolism and the Krebs cycle.


Normally when we think of metabolism, we think of weight loss fads like the Keto diet, the Paleo diet or intermittent fasting. Metabolism, however, is way more interesting than weight loss trends. It is the process used by your body to transform Cap’n Crunch into brain cells, and some scientists believe it his has huge implication for the origin of life!

For Teachers

The content of this video meets criteria in the following Disciplinary Core Ideas defined by Next Generation Science Standards. Use our videos to supplement classroom curriculum.


Our videos benefit from guidance and advice provided by experts in science and education. This animation is the result of collaboration between the following scientists, educators, and our team of creatives.

  • Jon Perry
  • Anthony Danzl
  • Jordan Collver
  • Tyler Proctor
  • Ram Krishnamurthy, PhD
  • Christopher Parsons, MSc