QUESTION 45: What happens when the cilla move?. The head turns. The inner ear changes shape. A nerve signal is sent to the brain. Air moves through the loops of the semicircular canals. QUESTION 46: What would most likely signal a problem with a person's semicircular canals? The person's outer ear is swollen. The person feels unsteady when moving The person cannot turn his or her head. The person yawns frequently.

QUESTION 45: What happens when the cilia move?<br />When the cilia in the semicircular canals move, they detect changes in head position and motion. This movement of the cilia sends nerve signals to the brain, which interprets these signals to help us maintain our sense of balance.<br /><br />QUESTION 46: What would most likely signal a problem with a person's semicircular canals?<br />The person feels unsteady when moving. This feeling of unsteadiness or dizziness when moving is a common symptom of issues with the semicircular canals.