Adrenaline — also called epinephrine — is a hormone and neurotransmitter your body releases in response to stress, excitement, or danger. It’s part of the “fight-or-flight” response. Here’s what happens when adrenaline kicks in: • Heart rate increases – pumps more blood to muscles. • Pupils dilate – better vision. • Airways open up – more oxygen intake. • Blood sugar rises – more energy for muscles. • Pain perception drops – so you can push through. Basically, adrenaline turns your body into a h
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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
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