Question

why are the hormones released directly into the blood stream?

Answer 1

Endocrine glands, such as the pancreas and thyroid gland, use thebloodstream to monitor the body's internal environment and tocommunicate with each other throughsubstances called hormones, which are released into the bloodstream.

Answer 2

Endocrine secrete their products directly into the fluid bathing the glands that is blood and lymph. .. the blood and lymph carry hormones to the target organs