Endocrine: Physiology

: The ultimate goal of these hormonal interactions is to maintain a constant, balanced internal environment regardless of external changes.

Physiology, Endocrine Hormones - StatPearls - NCBI Bookshelf Endocrine Physiology

: While the "classical" pathway involves hormones traveling through the blood, they can also act on nearby cells ( paracrine ) or even the secreting cell itself ( autocrine ). : The ultimate goal of these hormonal interactions

The endocrine system is a network of glands that secrete chemical messengers called hormones directly into the bloodstream to regulate distant target organs. Endocrine Physiology