Hormones

Enzymes

These are secreted by endocrine glands.

These are secreted by exocrine glands.

They are transported by blood.

They are transported by ducts.

The hormones are needed in less amount.

The enzymes are needed in more amount.

The hormones may be formed from amino acids, proteins, peptides and steroids.

Enzymes are only proteinous.

Hormones undergo changes during chemical reaction.

Enzymes do not undergo any change.