- someone who can wiggle their ears by contracting their scalp
- keeping your eyes and ears open
- the invisible vibrations called sound waves channeled into the auditory canal causing the eardrum and ossicles to vibrate; the vibrations traveling through fluid and hair cells to be converted into nerve impulses carried to the brain
- hearing most clearly when the air pressure of the middle ear is the same as the air pressure outside your body
- the human ear maintaining our sense of balance (equilibrium) and coordination of head and eye movements
- ear wax, there to discourage insects from entering
- the human ear being most sensitive to frequencies of 1000-4000 hertz, though young ears can hear 20-20,000 hertz
- only when the nerve impulses reach the primary auditory area of the cerebral cortex does the listener become aware of the sound
- Honest advice is unpleasant to the ears. (Chinese proverb)
- You cannot reason with a hungry belly, it has no ears. (Greek proverb)
- A man falls in love through his eyes, a woman through her ears. (W. Wyatt)
- Fluid in the semicircular canals is swirled by head movements, sending messages to your brain about the body's position. Then you adjust the rest of your body, to balance.
- Ears can detect 1,500 different tones and 350 degrees of loudness.
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