: The system includes the Hypothalamus , Pituitary, Thyroid, Adrenal glands, Pancreas, and gonads (ovaries and testes). Core Functions :
: 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 ). Endocrine Physiology
The endocrine system is a network of glands that secrete chemical messengers called hormones directly into the bloodstream to regulate distant target organs. : The system includes the Hypothalamus , Pituitary,