Endocrine glands release hormones into the bloodstream to reach a particular body part called the [[1]] site.

Endocrine glands release hormones into the bloodstream to reach a particular body part called the target site. 

Hormones are chemical messengers produced in the body by the endocrine glands that affect many important functions in the body. They reach the target site which in turn responds to the hormone. Some important endocrine glands are the pituitary gland, thyroid gland, pineal gland, pancreas, adrenal glands, testes, ovary, etc.