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 ).

: Growth hormone (pituitary) and sex hormones drive physical development and puberty. Endocrine Physiology

: Cortisol (adrenal glands) coordinates the "fight or flight" response. : While the "classical" pathway involves hormones traveling

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