Immediately, your hypothalamus sends a signal to your pituitary, which sends a signal  to your adrenal gland that says, "Release stress hormones! Adrenaline! Cortisol!"
Din hypotalamus skickar direkt en signal till din hypofys, som skickar en signal till din binjurebark som lyder "Frisätt stresshormoner! Adrenalin!