Question

List five characteristics of animal hormones.

Answer 1

1.) they are secreted by ductless lands called endocrine glands
2.)they are poured directly into the blood 
3.)they are secreted in small amounts
4.)the hormones have their effect at the sites different from sites where they are made
5.)they act on specific tissues or organs called target tissues or organs..

Answer 2

"The five characteristics of animal hormones are listed below,

1. Endocrine glands are ductless glands which secrete certain chemicals called hormones.
2. Hormones are directly added into the bloodstream without any ducts.
3. A very minute quantity is very must effective as chemical messengers.
4. The chemical signals by hormones "circulate in the body fluids" and manages the "behavior of the target cells".
5. Hormones cannot catalyze any biochemical reaction."