the.com/sniffles
the body's leaky faucet, dripping out the war between you and a virus.
nose mathYou produce about a liter of mucus daily, healthy.
runny logicCold air makes noses run by triggering extra fluid.
hidden purposeMucus traps dust, germs, and pollen before your lungs.
sneeze speedA sneeze launches droplets up to 100 mph.