Immediately, your hypothalamus sends a signal to your pituitary, which sends a signal  to your adrenal gland that says, "Release stress hormones! Adrenaline! Cortisol!"
Inmediatamente, o hipotálamo envía un sinal á glándula pituitaria que envía outro sinal á glándula suprarrenal que di: Liberade hormonas do estrés! Adrenalina!