Endocrine Glands Hormones are biologically active agents of ductless gland which called endocrine gland. Endocrine gland secrete their respective substances directly into the bloodstream rather than through a […]

Do you know about Hormones? Hormones are biologically active agents of ductless glands(called endocrine glands) released directly into blood circulation to act on sites. Hormone are chemicals synthesized.Hormone are […]