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🐝 Bee Sting First Aid, Allergic Reactions & Anaphylaxis

An interactive 3D model of what happens after a bee sting: watch the stinger keep pumping venom, local swelling develop, an allergic reaction escalate toward anaphylaxis, and epinephrine reverse it.

Biology & Life3DModerate60 FPS

See what actually happens under the skin after a bee sting — from the barbed stinger still pumping venom, to local swelling, to how a normal reaction differs from a severe, whole-body allergic reaction that needs epinephrine and emergency care.

🔬 What It Demonstrates

The stinger's venom sac keeps injecting venom until it is removed or empties on its own after about a minute, so speed of removal matters more than technique. It also contrasts a local skin reaction with the hives, airway swelling, and pallor of anaphylaxis, and shows how epinephrine reverses that escalation.

🎮 How to Use

Drag the time slider forward, choose how the stinger was removed, and pick a reaction severity. In anaphylaxis mode, click "Give epinephrine" to watch hives fade, throat swelling ease, and skin colour recover.

💡 Did You Know?

Because a honeybee's stinger is barbed, it tears free with the venom sac attached — the sac's muscles keep contracting and pumping venom into the skin even after the bee has flown away.

⚙ Under the hood

An interactive 3D model of a simplified human figure with a bee-sting cutaway showing the barbed stinger still pumping venom, local swelling, and an adjustable allergic-reaction severity that escalates to anaphylaxis — with an epinephrine button that triggers a visible recovery animation.

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3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install