The adrenal glands sit atop your kidneys like small caps, constantly monitoring your body's stress levels. When danger strikes, these remarkable organs release adrenaline (epinephrine) in seconds, transforming your entire physiology for maximum survival performance.
⚡ Fight-or-Flight Effects
Heart rate increases dramatically
Blood pressure rises for better circulation
Breathing becomes deeper and faster
Glucose released for instant energy
Survival Mechanism!
Adrenaline can increase your strength by up to 15% and your heart rate to over 180 beats per minute - preparing your body for extraordinary physical performance!
🎯 Learning Objectives
Understand how the adrenal glands coordinate rapid, body-wide responses to stress through hormone release and circulatory transport.