Enzyme and Hormone

enzyme - protein that acts a biological catalyst. cells use enzyme to speech up chemical reactions that take place in cells. like other catalysts, enzymes act by lowering the activation energies.
hormone - substance produced in one part of an organism that affects another part of the same individual. chemicals that travel through the activities of other cells.

Functions:
Enzymes are biological catalysts, they speed up the metaolism within your body.

Hormones are chemical messengers , to send signals from one part of body to another.

How many?

MANY, UNCONTABLE. Enzyme and Hormones are every where in our body.