Question

Introduction of endocrine glands

Answer 1

Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct. The major glandsof the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroidgland, parathyroid gland, hypothalamus and adrenal glands.

Answer 2

endocrine glands are glands which do not have ducts to release their secretions where they r needed.
hope it helps.