Deep in each ear are three curved tubes filled with liquid, and the brain reads the movement of th liquid a rotation. Wh you sp, the liq is sl to fol the sk and th catches u. The trouble comes when you stop, because the liquid keeps moving for several seconds after the head is still, and the brain reports a turn that the eyes flatly deny. Dizziness is not a failure of balance but a disagreement between two reliable senses.

Type only the missing letters. Each box is one letter, and the number of boxes matches the letters that are missing.