VOICEOVER: Enzymes of the digestive system. Three key types of enzymes in different parts of our digestive system help break down the food to provide the energy our body needs to grow and repair.

Enzymes are molecular machines that carry out the chemical reactions that sustain all life, an ability that has captured the ...

Enzymes let chemical reactions in the body happen millions of times faster than without the enzyme. Because enzymes are not part of the product, they can be reused again and again. How efficient!

Cells also secrete various proteins that become part of the extracellular matrix or are involved in intercellular communication. Cells rely on thousands of different enzymes to catalyze metabolic ...

VOICEOVER: Enzymes of the digestive system. Three key types of enzymes in different parts of our digestive system help break down the food to provide the energy our body needs to grow and repair.