1. A hormone is a type of biological molecule.
2. It is a protein rich substance.
3. It acts as a biocatalyst.
4. Acts as a chemical messenger in the body.
5. Its action is slow and results are long lasting.
6. It is active at a distance from the place of origin.
7. It is carried through the blood.
8. It is secreted from the endocrine glands.
9. It regulates physical and physiological functions.