What Really Happens When You Sneeze?

จามแล้วเกิดอะไรขึ้นในร่างกายกันแน่?

A sneeze is a cannon with a tripwire in your nose, a cable, a control room in your brainstem and a crew of muscles. We follow one speck through load, seal, fire, then test the myths: does your heart stop, do your eyes pop out, and why you should never hold it in.

1. 0:00The Tickle
2. 1:16Tripwire and Cable
3. 2:57Load, Seal, Fire
4. 3:57The Cloud
5. 5:19Three Myths
6. 7:08Crossed Wires
7. 8:33The Callback