What IS Adrenaline? Hormone, Neurotransmitter, or Both? ⚡🧠 Let's break down your body's ultimate stress response chemical! Adrenaline = Epinephrine 💉 It's BOTH a hormone and neurotransmitter! See those adrenal glands on top of the kidneys? They're adrenaline's main source. Why Both? 🤔 📍 Released by brain neurons → neurotransmitter 📍 Released by adrenal glands (majority!) → hormone Same chemical, different name based on the source! Speed & Duration ⏱️ Nervous System: Signals in milliseconds

What Happens During an Adrenaline Rush? Your Body's Emergency Response! ⚡🧠 Let's break down the lightning-fast chain reaction happening inside your body! The Trigger 🚨 Your brain recognizes: A threat Extremely stressful situation Intense sporting event The Chain Reaction 🔗 1️⃣ Amygdala recognizes the threat 2️⃣ Relays info to the hypothalamus (central brain core) 3️⃣ Hypothalamus activates sympathetic nervous system (fight or flight!) The Immediate Effects ⚡ The sympathetic nervous system has