Endocrine Physiology Now

: Hormones like insulin and glucagon (from the pancreas) and thyroid hormones ( T3cap T sub 3 T4cap T sub 4 ) manage energy use and blood sugar levels.

: The ultimate goal of these hormonal interactions is to maintain a constant, balanced internal environment regardless of external changes. 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 ). : Hormones like insulin and glucagon (from the