Most hormones are released into circulation through ducts, but some are released directly into the blood stream.
The organ in the human body that does not produce hormones is the spleen.
Hormones are carried in the blood
liver
The main organ for the removal of hormones from the blood is the liver. The liver processes hormones and breaks them down so they can be excreted from the body.
Endocrinology is the study of hormones. An endocrine organ is an organ that produces hormones (the heart is one of these).
liver
stomach
The endocrine system produces developmental hormones. :)
heart
I was looking for the answer to this too.
lungs
The endocrine system is involved in the production and release of hormones.