Visual style: cinematic medical 3D animation, anatomically accurate...

Visual style: cinematic medical 3D animation, anatomically accurate human body, realistic organs, clean scientific visualization, dark neutral background, smooth camera movement, volumetric lighting, high-detail medical rendering, educational documentary aesthetic, seamless transitions, no gore, no text inside the generated video. Scene 1 — Calm → False Alarm A realistic adult person sitting calmly in a normal environment. The camera slowly pushes toward the head and transitions seamlessly inside the skull. Show the brain in accurate 3D anatomy. The amygdala suddenly becomes active, represented by a subtle glowing neural signal spreading through the brain. Visualize the brain incorrectly interpreting a harmless situation as a threat. Cinematic medical visualization, smooth transition. Scene 2 — Fight-or-Flight Activation Follow the neural signal from the brain through the autonomic nervous system toward the adrenal glands above the kidneys. Show the adrenal glands releasing adrenaline into the bloodstream. Use flowing particles to represent hormones traveling through blood vessels. Accurate anatomy, elegant scientific animation, no exaggerated fantasy effects. Scene 3 — Heart Response Transition into the chest. Show the heart in detailed anatomical 3D. As adrenaline reaches the heart, the heartbeat gradually becomes faster and stronger. Show blood being pumped more rapidly through arteries. Camera follows the blood flow through the cardiovascular system. Scene 4 — Breathing Changes Transition into the lungs. Show realistic lungs expanding and contracting rapidly. Visualize rapid breathing and the resulting reduction in carbon dioxide. Use subtle molecular visualization to show CO₂ leaving the bloodstream faster than normal. Explain physiologic hyperventilation visually without exaggeration. Scene 5 — Physical Symptoms Create a seamless montage showing sympathetic activation: sweating on the skin, trembling muscles, dilated pupils, muscle tension, dry mouth and tingling sensations in hands. Keep the human anatomy realistic and medically accurate. Scene 6 — The Panic Feedback Loop Return to the person's brain. Show physical sensations sending signals back to the brain. The person becomes frightened by the racing heart and altered breathing. Visualize a circular feedback loop: physical symptoms → fear → stronger autonomic activation → stronger physical symptoms. Make the loop visually obvious but scientifically realistic. Scene 7 — The Alarm Turns Off Show the threat signal gradually decreasing. Adrenaline levels visually fade, heart rate slows, breathing becomes regular, muscles relax. Transition from the internal organs back to the calm person. Warm natural lighting gradually replaces the tense atmosphere. Final visual: The person is calm and breathing normally. Camera slowly pulls back from the body. Clean medical documentary ending, reassuring but not overly dramatic. Important generation instructions: No blood, no injury, no heart attack imagery, no distorted anatomy, no extra organs, no duplicate body parts, no needles, no hospital emergency scene, no horror aesthetic, no exaggerated glowing organs, no text or labels embedded in the video. Maintain consistent anatomy, same adult person throughout, smooth continuous transitions, professional medical animation, realistic physiology, 4K cinematic quality.