Question

Chemical nature of animal hormone

Answer 1

Hormones are chemicals secreted by the endocrine glands directly into the blood stream. Through the blood these hormones in animals react their target      organs to stimulate or inhibit specific physiological processes.

Answer 2

Answer:

Hormones are mostly distinct class of chemical communicators secreted by nerves, ordinary tissue, or special glands; they act on cells far removed from the site of their release. they can be proteins, single polypeptides, amines or steroids or other lipids.