| 1 | The slivery trail is slime. | |
| 2 | There is a trait of slime left by a snail on the glass. | |
| 3 | Some people think it only causes more mucus. | |
| 4 | How can you cause mucus to flow upward and out of your lungs? | |
| 5 | The test uses magnetic force to control individual droplets containing added magnetic particles. |
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